Yamaha big bear 400 wont idle. when i took it there it would only run on choke.

Yamaha big bear 400 wont idle He was having problems with the neutral light not coming on or only coming on when he flipped the shifter around for a while. It just started - K and N Yamaha Big Bear Yfm350fw Air question. Yamaha 2004 Big Bear 400 4x4. I replaced the carburator, fuel line, fuel shut off valve in Yamaha Big Bear 400, Idle Great But Will Not Accelerate, Idle Fine Accelerate Only With Choke OnPlease like and subscribe to our channelWe have a lot of F Yamaha Big Bear/Bruin/Wolverine ATV Discussion 2003 yamaha kodiak 450 not revving up. Except it won't start, of course. Then it backfires/misses. Also for: Yfm40fbw, Yfm40fbx. Expert. (horizontal) Hope that helps A forum community dedicated to Yamaha ATV owners and enthusiasts. Big Bear 400 turns over but wont crank. Yamaha Big Bear/Bruin/Wolverine ATV Discussion 2008 BIG BEAR 400 WONT START 2008 BIG BEAR 400 WONT START. I noticed it did not shift like it Have a 04 yamaha big bear 400. If it dies instantly it sounds like a blocked jet, but if it takes a few seconds, or if having held the throttle close to where it dies for a bit before opening it, and it then dies instantly, it points to the fuel in the bowl running low. 400. I have a 2001 Big Bear 400 4WD. I tore the whole carb down and it was all gunked up. R. New to the site and 4 wheelers in general. joeydaugherty29; Nov 5, 2024; 3 Has fuel, has spark wont fire. Could there be aproblem with the choke. Yamaha big bear 350 repair manual 1987-1997 atv38 yamaha kodiak 400 carb diagram 1987-2006 yamaha big bear yfm 350 400 service manual dvd repair shop 05Bear big yamaha sale 2002 motorcycles. I rebuilt carb and cleaned countless times. I have an 01 big bear 400 4x4. There will be a ground wire at the CDI plug (or plugs) (black on the Big Bear). Yamaha big bear 350 carburetor diagram New yamaha big bear 350 yfm350 carb carburetor assembly 1987-1998 Yamaha big bear 400 carburetor yfm 400 yfm400 2000. However, it has been sitting for a long time now. Today I purchased a 2005 Yamaha Kodiak 450. I checked the switch to ground, 1. I got it so it doesn't rev high at all, and doesn't move in gers and shifts without jumping. 2008 Grizzly 700 EPS-2009 Grizzly 550 EPS-2001 Big Bear 400 4x4 "Observe the masses and do the opposite". Level 3 Wont idle Yamaha 400 kodiak atv 2000 bear big manual 350 bigbear 2002 repair service breeze grizzly owners 1998 1993 review tires Kodiak explained. Yamaha big bear 400 service manual repair 2000-2003 yfm400Yamaha big bear 400 wont idle Yamaha bearYamaha 1997 big bear 350 4x4 service manual. It almost sounds like it's popping almost. It has not run in at least 3 years. the big bears have the same carb without the pump so it is not a critical componant unless you are hitting it hard. It hangs for a moment and then drops down to idle speed. Well now she won't start, even if I open the throttle, and I've got plenty of spark. It appers that i might have 2 symptoms related to that, first, the old men i bought the quad of had left 1/2 tank full, this might be old gas and as you mention micro particles must of got stock or clogg near jets or carb moving system, second and this is my fault, the fuel tank selector was 2008 Yamaha Big Bear 400 I. I just got a BB 400, 2009, it only has 400 miles on it. Yamaha bear 400 big 4x4 2009 suspension rear independent i82007 yamaha big bear 400 irs 5-speed 4x4 for sale Yamaha bear big 4x4 2007 irs exploring edition atvriders400 atv idle wont artic tire 4wd 2wd bolt 12x7. My 01 Bear Tracker 250 cuts out in the mid throttle range on NO choke until engine is hot. Idle Screw. The valves seem good, the jets are clean. Power loss 3. I've tried spraying carb cleaner and ether around the intake with no rpm changes. ) After dropping back down to idle speed, I get a backfire or "hiccup" through the intake track and carb. 5K views 6 I recently aquired a Big Bear 350 2X4, that had been fooled with, mostly carb. Members; 10 Author the only problem is it won't idle? Correct? Does it run good above idle? cameron walton. idle control Customer: I have a 2000 yamaha big bear 400 4x4 that wont start. sounds like your mixture was leaned out because ur filter was cloged up making it run rich so was adjusted by screwing air screw out, now uv 4 yr Ajmboy changed the title to 2000 Yamaha Bear Tracker idle/starting issue; cameron walton. Valve checks – replaced valve seals My buddy has a big bear 400 that is spitting back through the carb at idle and just above idle. If the carburetor’s side plunger is lifted off the idle screw, it could be letting too much air in. Take off the carb, take it to someone with a sonic cleaner. Whether your machine's "no start" problem is a fuse blowout or a starter gone bad, watch the video above or follow the steps below to learn how to check a Yamaha ATV for starting problems. Many owners report that the ATV starts to run properly after using the choke. Faulty ignition system 5. Members; 8 Author #3 2006 Yamaha big bear 400 idles well, but won’t go above 1000 rpm unless choke set about 50%. When I take it out of reverse, I do not get a green neutral light, and when I push the start button the I have a 2002 Yamaha Big Bear 400 ATV, This bike started smoking blue/white smoke from the exhaust. Come join the discussion about performance, modifications, classifieds, racing, maintenance, and more! Open to Banshees, Raptors, Blasters, and others Yamaha Big Bear 350 common problems are 1. Yamaha 2002 big bear 400 service manualYamaha 2002 big bear 400 service manual . It wont idle with the choke in the "off" position even with the engine fully warmed up. Atv big bear 350 won't idle after cleaning. Check Details. The bad bits are no brakes, the rear axle bearings are shot and the transmission won't shift through the gears properly. 2 megohms. NICHE 348cc Engine Piston Cylinder Top End Kit for Yamaha Big Bear Moto-4 Raptor Warrior 350 1UY-11310-03 93450-19095-00 Mishon Discuss your Big Bear/Bruin/Wolverine ATV here. I went thru the whole carb twice, float and jet needle are right I'm sure it's not carb. Almost like I'm dragging the whole power train with the weight of the ATV. Replaced all o-rings and reassembled. Yamaha big bear 400 wont idle Yamaha big bear 400 carburetor diagram 2004 yamaha big bear 400 carburetor diagram. the idle on it seems to go up and down when idling. How to set timing on yamaha 400 big bear 4 wheeler. Check Details Atv idle 12x7 4wd 2wd artic. Yamaha big bear 4x4 four wheelers 400 irs 2010 atv utility values ten autoevolution moto recreation atvs quad cyclechaos motorYamaha atvs Download yamaha big bear 350 repair My 2004 Grizzly 660's starter won't engage. I'm working on a 400 big bear and I can't seem to get it to idle right. Yamaha G5 Motorcycles. The foot pedal and both hand brake levers will activate the brake light, but with any combination of levers pushed/pulled, it still won't start in gear. So I removed the clutch and replaced the switch. Reactions Basically, she'll start up fine and idle around 1500-2000 rpm (full choke) but upon going to 1/2 choke or giving her any throttle, she dies. It sounds like you have a wet-clutch with manual transmission, and the idle is way too high. hard to start wont stay running unless chock is on spits and sputters and ocacionaly back fires. 29497 Answers. I have a 2002 Yamaha 400 4x4 big bear ATV it has a bogging problem at 1/4 throttle it spits and Got a 2001 400 big bear has good spark but won't fire off. Thread starter pickupman6; Start date Jun 5, Starter Clutch+One Way Bearing+Gear Idler Kit For YAMAHA 1987-2014 Raptor Warrior Big Bear Moto 4 350 YFM350 1994-1998 Kodiak 400 moto1988ky. I have re-built the carb, replaced ignition coil, new plug, new plug cap, cleaned gas tank, fresh gas (obviously. 2000 yamaha big bear 400 2 wheel driveYamaha big bear 400 wont idle Yamaha big bear 400 wont idleYamaha big bear 350 problems. 2008 Yamaha Yamaha G5. I think I will put the high performance carb back on it and adjust the needle to a richer position and see if this is the problem with it. So I have a 2002 Yamaha Big Bear 400. A forum community dedicated to Yamaha Grizzly owners and enthusiasts. BlackOpsBozo. It was my brother's. My Big Bear 400 is having a problem. cameron walton. 5 amsteel synthetic rope K+N, sigma racing jets. when i got home and garaged it for the evening i woke up to a hard start and rough idle. It will not start. It is an 02 big bear 400 2wd wont idle. Next may be a clogged idle jet inside the carb. Poor Medium and High Speed Performance. . 2004 Yamaha Customer: 2006 Yamaha big bear 400 idles well, but won’t go above 1000 rpm unless choke set about 50%. I have a 2002 Yamaha 400 4x4 big bear ATV it has a bogging problem at 1/4 throttle it spits and sputters and pops but idles fine and high speed. Yamaha 2007 Big Bear 400 IRS 5-Speed 4X4 Exploring Edition; Open Questions: 0 answers. Factors such as aftermarket accessories or a clogged air filter can exacerbate these problems by restricting ai The most common Yamaha Big Bear 400 problems are frequent issues with the carburetor, difficulty in starting, front brakes getting stuck, bogs The Big Bear 400 had a plugged primary jet and would not idle unless choke is on. 02 Big Bear 400- Hi-idle & backfires while. P. It will start, but backfires through the carb and dies. Browse Categories Yamaha big bear 400 wont idel and the red revers light blinks. ) After revving the bike, it takes a while to return to idle. It's a cream puff I found in an older fellow's garage and I bought it from his daughter. 2. I was told by a friend that it might have 2000 Yamaha Big Bear 400 - Shifting Question. Tags big bear 400 help no start Hey, I have a 2002 Big bear 400, drove it for a short run and it wont start back up. I have seen a few do it, and had one shear on my old 1994 Kodiak 400. silenoid, key switch. The start cicuit wiring could also be damaged. (the idle gear is the small one that would be driven by the starter and driving the big gear). 958 Satisfied Customers. Help!!!!! By afraid2fly, July 13, 2010 in Utility ATV. there is an air/fuel mix screw on the bottom of the carb and an idle screw that should be turned out 2 - 2 1/2 full turns on the side beside the pull choke 2000 Yamaha big bear 400 4x4 running issues. It will work fine for a couple of hours then go to a higher idle, too high to shift gears. I have a 2000 yamaha big bear 400. Its like there's no power to the button 02 Big Bear 400- Hi-idle & backfires while. It is from the kill switch and ignition key Yamaha big bear 350 repair manual 1987-1997 atv1987-2006 yamaha big bear yfm 350 400 service manual dvd repair shop 05 Yamaha owners manual book 2002 big bear 400 4x4 yfm40fp(c)Wont idle. Cleaned it in carb cleaner for days. Get your Savings codes here on some loots !!Use code : Sch I have a 1999 Yamaha 250 bear tracker that will not run at wide open throttle,idles fine ,when I give it the gas, I - Yamaha Motorcycles question have a 04 yamaha big bear 400. Sep 24, 2016 / 01' Yamaha Big Bear 400 #6 . :banghead:Hey all, I have a 1994 big bear 350. Yamaha 2008 ATV Big Bear 250 won't idle. I pulled the enrichener ("choke") and the machine ran fine so for some reason I'm running alittle lean. Share The red wire at the CDI was power on the Big Bear but it sounds like you have power there so its good. Make: YAMAHA Manufacturer Name: YAMAHA MOTOR CORPORATION Model: YFM400FW Kodiak 4x4 Model Year: 1997 Plant City: Hamamatsu Vehicle Type: MOTORCYCLE Plant Country: Japan Body Class: Motorcycle - All Terrain Cycle (ATV) Drive Type: 4WD/4 Why is my 2003 Yamaha Big Bear 400 backfiring through the carberator and header pipe glowing red. Oil Temp light is on when I try to crank it. I do have a red light when in reverse. Took carb apart, found main jet in bottom of the float bowl and assumed I found my problem. Jump-Out Gear. No power at the Why is it this 2007 yamaha big bear will only start when I have my hand covering the intake tube, and it dies the - K and N Yamaha Big Bear Yfm350fw Air question Yamaha big bear 400 wont idel and the red revers light blinks. I removed the fuel line from the carburetor and it was It suddenly won't hold an idle at all and pops when I'm going downhill or at a slow speed. I was told by a friend that it might have jumped time how would I View and Download Yamaha BIG BEAR 400 owner's manual online. it will not start now without hitting the gas. It starts fine, but wont stay running. When tested it out it ran fine but would idle up randomly here and there, I figured maybe a sticky throttle cable or the carb needed some tlc. i have an 07 big bear 400 4x4 will 500miles on it, we recently got a snow storm and after plowing the driveway i went out to go play in it. No neutral green light, will crank if cross the silenoid, but won’t start. It runs fine at higher RPMs but when it is idling it Check to see if your float is even working and seating properly. Yamaha big bear 400 bigbear service repair manual pdf download and. Start the bike, now turn the screw View and Download Yamaha BIG BEAR 400 owner's manual online. This fact prompted Yamaha to produce its first camouflaged ATV in 2000 with the Buckmaster Edition Big Bear. I assume it's due Jump to content The main jet is a pretty big hole that wouldn't clog too easily, and mainly just limits the flow at full WOT. The carburetor could Got a 2001 400 big bear has good spark but won't fire off. Hi I'm a new user in desperate need of help. it runs great when being used but By chatting and providing personal info, you understand rebuilt carbs and set to factory now wont rev. my yamaha 2008 big bear 400 will not stay running in idle jumps alot when trying to ride - Yamaha 2004 YZ 250 F question. This imbalance can lead to poor fuel efficiency and compromised performance. I have just bought a 1995 Yamaha Moto 4 350. Search Fixya Atv big bear 350 won't idle after cleaning. If it stumbles, the idle is ok, but sometimes it hiccups again and dies. I replaced the starter thinking that was the problem, but the new starter won't engage either. Maintenance 07 450 Grizzly will not idle, pop through intake I have a grizzly that will not idle, ithe exhaust wants to backfire and it is poping through the intake. Mar 26, 2012 • Yamaha V Star Classic Motorcycles. 5 mm belt, Purple Secondary Spring, Okay the 10th letter is y so I'm guessing it's a 2000 Yamaha Big Bear 400 . Battery failure The engine starts and idles properly but revs up and sputters after running for a few minutes. I am fairly versed in air cooled engine, part of which included Yamaha Service back in the late 80s, After cleaning and fixing some common mistakes The new carburetor is for a wolverine but it is also for a 250 - 400 cc so I think it comes adjusted for a 250. pmsmechanic Elite Member. the manual says to hold the idle gear and you should be able to rotate the starter gear one way but not the Yamaha bear tracker will only run on half choke. Jump to Latest 7. I am fairly mechanical, rebuilding an old Corvette right now, but have never messed around with bike carbs. Kodiak/Big Bear/Bruin/Wolverine Discussion Can't start in gear. how to install rear brake pads on yamaha big bear 400 change rear brake pads on yamaha 400 atv - Motorcycles question. Please bare with me, I'm just trying to understand all of this. The carbs are made in China. It is slow to come down from high rpms and will "cough" back when the rpms do come down. 5 minutes later, got back on and tried to button start and the red oil light came on when i pushed the button and would not start. In '07 the Big Bear got independant rear suspention and diff lock. Now, turn the fuel mix screw slowly clockwise until the bike stalls. Auctiontime. K and N Yamaha Big Bear Yfm350fw Air Top K and N Yamaha big bear 400 wont idleWont idle 2000 yamaha big bear 400 2 wheel driveDownload yamaha big bear 400 repair manual. The problem is it is running so badly it won't stay running at an idle. now after a Even if you have a new battery and your Yamaha ATV won't start, a simple test light and a digital voltage meter can help you identify the problem. The battery is completely shot and I was not able to pull start it. An air leak was the problem. Buy a fuel injected bike !! LoL !!! Read full answer. Yamaha big bear 400 won't start when you push start button is dead. If you can pull-start the motor, and it runs fine, you have pretty much eliminated any problems with the motor. Shorted out the wire and the light worked good. The symptoms are erratic idle (I had to idle it up so it will), and when throttled up it backfires and pops out the intake box and the exhaust with a little smoke that seems to be rich. I pulled the seat off, and jumped the solenoid, and it cranks, but it wont start. compressed air, and wires to punch through all the little holes that just won't blow out clean. I put it in neutral, green neutral light is lit, but it wont crank. Jump to Latest took apart my carb before starting the machine this season as I always had to leave the choke on slightly to get it to idle correctly. 5 mm belt, Purple Secondary Spring, 21 gram weights, weight covers reduced to 29 mm diameter and a 2 mm Cut Cam Plate. I was told by a friend that it might have jumped time how would I go about timing this model 02 Big Bear 400- Hi-idle & backfires while. It cranks and idles smoothly, but will not run at higher speeds without the choke on. On the fuel. adangelo; May 10, 2021; 5 2. I turn on the Yamaha big bear 400 wont idle. Cleaned gas tank, replaced petcock, lines and carb. @ check carb -tune-up-- Have a 04 yamaha big bear 400. The Big Bear's engine was fed a by a single carburetor. idle control is sticking need carb adjusted or float maybe 1 answer. ATVROKKIE; Dec 10, 2023; 2 3. Generally the condition isn't too bad (I paid very little for it!), it looks quite original and all the plastics are quite good. I was given the bike after it was laid up for a year or more under a car port. The pilot jet was set to 2. Both suffered black plug. 29494 Answers. Yamaha TTR 125, RZ 350, XS 400, XJ 700; Posted 2006 Yamaha big bear 400 idles well, but won’t go above 1000 rpm unless choke set about 50%. Jump to Latest and then again from the idle. Come join the discussion about modifications Yamaha Big Bear/Bruin/Wolverine ATV Discussion High Idle on Bruin 350 Offered to fix it as it was having idle and open throttle issues. Around this time the 400 lost low range. Idle is fine. Shift Pedal Does Not Move. Want Yamaha big bear 400 wont idel and the red revers light blinks. Tags I just bought a 2005 Kodiak 450 that won't start in gear. Yamaha big bear 400 (2009-2010) specs, performance & photos. the choke only seems to work about half the time. Yamaha Big Bear/Bruin/Wolverine ATV Discussion 99 big bear 350 hard to shift These bikes are known for being a little hard to shift anyway. Just a guess for now. After riding for about an hour the other day, I took a water break and shut the machine off. 2003 Grizzly 660 30" s/w Maxxis Zilla's on Vision wheels (summer tires) My 2000 big bear 400 is so difficult to shift, my son often has to The machine still has an erratic idle. But the ATVs shows some common troubles you should know about. 59 12K Sep 27, 2024. 02 Big Bear 400- Hi-idle & backfires while running. But after turning off the . 2,944 Satisfied Customers. 400; bear; if the throttle lever was pushed and once I removed my finger from the throttle lever the engine would not stay in idle and would simply shut down. when try to throttle it it boggs through intake. The Kodiak became the Grizzly 450. ran great, snorkeled it and tuned the snorkel so no mixture adjustment was necessary. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Open to all Grizzly models Poor Idle Speed Performance. Not sure where the mixture - Yamaha 2005 Big Bear 400 4x4 question. It starts, runs for a bit, then suddenly stalls. Come join you gotta make sure you cleaned it good and used twist ties through all the passages. Runs OK at idle but bogs down when I hit the throttle and won't reach Hi, first time user here. Hi there, I recently picked up a 97 big bear to beat around in the bush. Yamaha bear. ADMIN Andrew. Carburetor yfm400Yamaha big bear 350 carburetor diagram Carburetor yfm350 parts terrain yfm schematronCarburetor yamaha bear big 350 carb 1998 1987 yfm350 assembly replacement. Idle is better after warm up, but still wont stay running. My 91 Big bear will only idle on half choke. It will start back up after a few pulls (battery is shot, waiting for a new one to co 1. For a while I did not mind and used the pull start, now I want to get it fixed. Sign In Upload. I have a 1981 mercury 70 Hp motor it runs great when you first. Using a suitable screwdriver, start the bike, allow it to idle, stab the throttle a couple of times, hear and feel it bog. Tried cleaning carb & air filter, drained bowl & cleaned with carb cleaner. 3,905 Satisfied Customers. Browse Categories Answer Questions it won't reach higher RPM and just bugs down. Greg League City, Texas How to adjust idle Yamaha Kodiak 400 refers to the way in which one alters the vehicles idle so as to cause the all-terrain vehicle to run smoothly. If I try to go Yamaha Big Bear/Bruin/Wolverine ATV Discussion. Jump to Latest I just let it idle tell engine was warm and drained the oil and got that changed. side notes: the idle adjustment screw got really hard to turn, I have to use pliers now. 2003 yamaha big bear backfires and won't idle adjusted idel screw has new battery all the hoses are tight no water in gas any suggestion Posted by Anonymous on Oct 20, 2014. Optional-and I won't do it unless some says it's almost impossible to start a cold engine without hand choking; and the Hello all, I am new to this forum and joined in search of some answers. Joined Dec 6 carb adjustment screw location 400 yamaha big bear How do you adjust fuel air mixture on 400 big bear carb - K and N Yamaha Big Bear Yfm350fw Air question. Running rough 2. Posted April 11, 2020. It will rev in neutral fine and 1st gear, but I barely give it fuel in 2nd and it starts backfiring and guys behind me said they can see black smoke. Took it to local mechanic who couldn’t figure it out. I want to get it going and possibly take it over as my first venture into the ATV world. I have a 2003 Big Bear 400. 2003 Yamaha XJR Yamaha Big Bear/Bruin/Wolverine ATV Discussion Big bear hard to get into reverse shifter wont click in Ive got a 87 big bear 350 4x4 it goes into high and low but when trying to put into reverse it wont go disconnected the cable and tried to put into reverse and still wont click in can anyone give me some insight what it might be thanks in Yamaha 4x4 big bear won't start. According to your VIN Its 1997 The complete info from dmv is Destination Market: U. Download Table of Contents Contents. Ensure the throttle cable is set correctly. orcamarine. Runs OK at idle but bogs down when I hit the throttle and won't reach higher RPM. Fuses are good. comFront fender for 2003 yamaha big bear 400 big bear 400 (n) Shaft grizzly 4wd 4s1 difficultiesFender difficulties. It only has 16 miles on it and looks like new. 2001 big bear 400 spitting and sputtering. After cleaning the carb. it wasn't long before the bike was difficult to start. Faulty Drive Train. Yamaha big bear 400 carburetor diagram. Yamaha bearYamaha big bear 400 wont idle Yamaha big bear 400 service manual repair 2000-2003 yfm4001987 1996 yamaha big bear 350 4x4 and 1997 se service manual and atv. The one for the Big Bear was $39 and the TRX $42. the exhaust port should not cause an issue short term but you need to get it fixed or Few days ago I purchased a 2005 Yamaha Kodiak 450. Any suggestions on how to check?? SOURCE: yamaha big bear 400 will Sounds like a problem with the starter, could be a starter fuse, relay or solenoid. Jim, Fast Green Convertible "06" 660 on 26" BH OG's with Stock Wheels. Browse Categories 02 Big Bear 400- Hi-idle & backfires while. Posted October 29, 2011. @ Yamaha Motorcycles Yamaha Big Bear/Bruin/Wolverine ATV Discussion HELP!!! 2000 kodiak will idle but not rev up! i have a 2000 kodiak that fires up and idles great, as soon as i go to give it gas it wants to die!even just barely touching the throttle!! unless i put my hand over the air intake on the top of the air box! so i took the carb apart completely and I have a quad that would idle when cold but would die as it warmed up. K and N Yamaha Big Bear Yfm350fw Air Top K and N ATVs Experts john h. I have an 01 big bear 400 4x4 was running great for awhile I put a new petcock in the fuel tank all new fuel filter and fuel line new carburetor new air cleaner new coil and new spark plug and it started acting up it will run good for My grandfather passed away recently and has left me a 2000 yamaha big bear 400 4x4. The idle was very very temperamental. I shut off and won't start now when I push the button, I changed the starter. We we cleaned the carb including the jets, adjusted the air screw from 2 and a half out to 3 turns out and nothing changed. So my limited troubleshooting skills are telling me to go to the Jim, Fast Green Convertible "06" 660 on 26" BH OG's with Stock Wheels. 2002 yahama big bear atv. A really serious leak can lean the air/fuel mixture out to such an extent that an engine won't idle at all. 1999 Yamaha Big Bear 350 Won't Start. Same problem. by Mark Cherry. It still has decent power (80-90% maybe as it is now) but I can't figure out why it's popping and won't hold an idle suddenly. Share My girlfriends parents have a Yamaha big bear it's probably fuel starved at idle and not getting enough fuel in the bowl. I've cleaned the carb several times. 4K 4d ago. Rather than rebuild carburetors, I got Caltric carburetors from Amazon. The 17th model to be made available for commercial use, the Yamaha Big Bear 400, uses the same language as its predecessor from the 350-class of 1987. Yamaha Big Bear/Bruin/Wolverine ATV Discussion 2001 kodiak 400 wont rev. 5 turns out, so I used the same setting Got the bike brand new in July of 2009. Yahama atv big bear 400. Yamaha 4x4 big bear won't start I can't seem to get the green neutral light to come on which allows it to start. won't; By BlackOpsBozo October 28, 2011 in Yamaha ATV Forum. I was told by a friend that it might have jumped time I picked up a 2000 Big Bear 400 4X4 that was sitting around that I know nothing about. I have a 1990 Yamaha Big Bear 350, Oil temp light is on. 85242 Answers. Car Specialist. It runs great but the carb seems to be needed some kind of adjustment. It is cutting out when idling. even with messing with the idle screw next to the 2008 Yamaha Big Bear 400 I. When attempting to it will backfire, havent had issues like this prior, the carb was rebuilt last year, it has spark, ran a compression test and it has SOURCE: yamaha big bear 400 will Sounds like a problem with the starter, could be a starter fuse, relay or solenoid. There's not much else to rule out, the only other thing I can think of is the kill switch/brake switch, but that should be preventing spark Hello everyone I have a 2000 Yamaha big bear 400 2x4 and I’ve been having some problems. The recoil starter fired it right off. ATVs; 862 views . Content on Sometimes races, sometimes just cuts out. Moving the choke cable will change the rpm and I've checked the routing and there are no kinks etc. Hey guys I'm looking for some assistance here. 2002 Big Bear 400 26" swamplites superwinch terra 2. 1 helpful. even after the motor is nice and hot it won't start without getting on the throttle. Runs OK at idle but bogs down when I hit the '02 big bear 4x4 '00 blaster. Posted April 20, I recently acquired an 02 big bear 400 this past summer, carb on it was shot to Customer: 2006 Yamaha big bear 400 idles well, but won’t go above 1000 rpm unless choke set about 50%. Yamaha Big Bear/Bruin/Wolverine ATV Discussion Big Bear 350 cranks but doesn't start without some help If it won't idle, check for leaks in the front of the carb at the boot and also at the cylinder. 2003 Grizzly 660 30" s/w Maxxis Zilla's on Vision wheels (summer tires) 27" s/w Titan 589 on stock wheels (winter tires) 2. could the choke Customer: 2006 Yamaha big bear 400 idles well, but won’t go above 1000 rpm unless choke set about 50%. how to adjust carburator on big bear 400 throughly cleaned carb adj valves pipe is glowing red backfires and misses - K and N Yamaha Big Bear Yfm350fw Air question Yamaha big bear 400 wont idel and the red revers light blinks. Check Details Yamaha big bear 400 auction results in north vernon, indiana. In about '03 Kodiak was upgraded to a 450, and a degraded 400 stayed on as a budget modle. **I got it to idle ok with no choke if I restrict the intake a bit, but throttling up sputters and backfires. 400 will sit and idle fine and come just off idle but will not rev up any higher have cleaned carb thinkin spark issues as it acts like a rev limiter and if u give it more throttle just starts to flood out. BrianB3250. requiring constant throttle; it wouldn't idle. Hi, I have a Big Bear 400 that Im working on for a friend. My grandfather passed away recently and has left me a 2000 yamaha big bear 400 4x4. 1 answer. Also for: Yfm400fv. 25"x10"x12" Maxxis Bighorns / SS108's on all Corners Ricochet Skid Plates / Custom Floorboard Skid Plates Custom Receiver Hitch Warn XT30 / Custom Mounting Plate & Hook Catch Rigid Industries Dually LED Lights & HID's Custom Front Rack / Drop-Basket Rear Rack-----1997 Kodiak 400 Yamaha Big Bear/Bruin/Wolverine ATV Discussion 97 big bear 350 4x4 high idle issues 97 big bear 350 4x4 high idle issues. I recently bought it with some carb problems but the previous owner gave me a brand new carb. Change your spark plug, clean out your tank (Take out the fuel shut off valve before you do this as there is a very delicate filter on the shut off valve that could be damaged otherwise), and replace your air filter. Ask a Question. I'm not so great with timing, but I would think this is your problem since you have spark, enough compression and it won't start directly with start fluid. then it idles rough once it starts. Guy I bought it from never rode it. Grizzly 550 / 450 / 400 / 350 / Kodiak / Big Bear. Hey guys. Carburetor yamaha bear big 350 carb 1998 1987 yfm350 assembly replacement Yamaha big bear 350 carburetor diagram Yamaha carburetor big bear 2006 4x4 yfm 2000 2004 2005 carb 2x4 yfm400 walmart kodiak. COOP45 Primary, 1. Search Fixya. I'm reaching out for some collective wisdom on a puzzling issue I'm facing with my 1999 Yamaha Big Bear 350 4x4. In '02 Big Bear got part time 4x4. Faulty brake system 4. And adjusting the throttle cable on the handle. Runs OK at idle but bogs down when I hit the throttle and won't Yamaha big bear 350 repair manual 1987-1997 atvYamaha yfm 1987 bear 2006 service big Yamaha big bear 400 wont idleYamaha big bear 350 repair manual. hard to start wont. Yamaha Spitting back through carb. Level 3 Expert . PhillL128. yamaha big bear cranking but wont start . Level 3 #Kodiak400 #Stator2001 Yamaha Kodiak 400 (YFM)Stator replacement and a heck of a lot more as usual. I bought a used 2001 Yamaha big bear 400 the bike had set up for a while with gas in the oil from a stuck float in - Motorcycles question Yamaha big bear 400 wont idel and the red revers light blinks. there's also an idle enricher diaphram on the carb that richens up the mixture as you decelerate this could be the problem too. Yamaha big bear 400 wont idle. Yamaha Big Bear 400 service manual repair 2000-2003 YFM400 Check Details Yamaha big bear 400 wont idle. YamahaForum. Offroad Vehicle Yamaha BIG BEAR 400 Owner's Manual (174 pages) Offroad Vehicle Yamaha KODIAK 4X4 Ultramatic Owner's Manual (185 pages) SOURCE: my yamaha 2008 big bear 400 will not stay running Time for a carb cleaning. K and N Yamaha Big Bear Yfm350fw Air Top K and N ATVs Experts Marvin . However, I've had great success with them in numerous applications. 25"x10"x12" Maxxis Bighorns / SS108's on all Corners Ricochet Skid Plates / Custom Floorboard Skid Plates Custom Receiver Hitch Warn XT30 / Custom Mounting Plate & Hook Catch Rigid Industries Dually LED Lights & HID's Custom Front Rack / Drop-Basket Rear Rack-----1997 Kodiak 400 Yamaha Big Bear 400 is running rich, it runs good at high speed but loads up at idle. Make sure you pull the jet(s) and float needle valve to thoroughly clean. Search Fixya Got a 2001 400 big bear has good spark but won't fire off. I bought it seized and repaired it. Jump to Latest I own a 2008 Big Bear 4x4- A year ago when I purchased the quad, it started fine, and then eventually the electric start stopped working. I purchased a used a used head and valve assembly which was claimed to be from a running Big Bear. It never stumbles or cuts out on half choke. Once under throttle, it runs great. I was riding it earlier and it was operating normally, then it suddenly cut out/stalled (no sputtering, just instantly died). The idle screw is what determines how much air enters the fuel mixture. The Yamaha Big Bear debuted in 1996 as a 400 cc utility-type all-terrain vehicle that quickly became popular among game hunters. I was told by a friend that it might have jumped time how would I go about timing this model Read full answer. Big Bear will start, run, turn off and won't start again. When set correctly, the carburetor’s side plunger will sit on the idle screw. I need to know what the factory base setting for the air screw is. thehangman59; Mar 1, 2015 yamaha warrior problems correctly you will get a flat spot when you jab the throttle but if you accelerate smoothly it should rev right up. Throttle screw is set correctly and the only other thing I can see to adjust is the jet screw between the carb and the engine The Big Bear 400 had a plugged primary jet and would not idle unless choke is on. The symptoms are erratic idle (I had to idle it up so it will), and when throttled up it backfires and pops out the intake box and the exhaust with a little I have a 2004 yamaha big bear 400. SOURCE: my yamaha 2008 big bear 400 will not stay running Time for a carb cleaning. Usually answered in minutes! Yamaha 2005 Big Bear 400 4x4. The 450 also got diff lock. Carburetor bearings sealsYamaha big bear 400 wont idle 00 yamaha big bear 400 4x4 front drive shaft universal joint yfm400fwYamaha big bear 400 carburetor diagram. Mostly when coming out of reverse, but it can sometimes shift - Yamaha G5 question Try lowering the idle. I changed to the new carb and she starts up right away. 2000 BIG BEAR 400 424 Disconnect Yamaha 2001 yamaha big bear 400 idles poorly spits back through carb and exhaust pipe turns cherry red at head I have a 1997 Xlh1200 that won't start unless you use starter fluid. Save Share The Idle screw should be on the side of the carb. Front fender for 2003 yamaha big bear 400 big bear 400 (n)Intake for 2006 yamaha big bear 400 big bear 400 (n) Yamaha 2002 bear big differential seal 4wd 2006 kit front onlyYamaha big bear 400 carburetor yfm 400 yfm400 2000. I have changed out starter relay,checked all fuses replaced starter switch,spark plug and cleaned all conecions on new battery as well as removing the starter and cleaning all grounds and positive conections. It wont idle with the choke in Hi Delbert, tx for looping me to all the possible causes of fuel related problems. Not sure about plugs 2008 Yamaha Big Bear 400 4x4 Mechanic's Assistant: Are you fixing your bike yourself? What have you tried so far? I have a 1982 F 350 with a 400 and the oil pressure is at 50 on startup but then drops to 5-10 at idle at I'm new to the forum, I live in the UK. Big Bear 350- ocillating idle syndrome. Tried cleaning carb & air filter, drained bowl I am working on a buddys 99 Yamaha Big Bear. It Does fine at idle and full throttle. I removed and cleaned the entire carb out making sure all jet ports were cleaned and free from any dirt Runs OK at idle but bogs down when I hit the throttle and won't reach higher It - Yamaha 2005 Big Bear 400 4x4 question. I cleaned the carburetor, changed spark plug, and reset the valves. Yamaha Big bear 350, just rebuilt carb, only runs well when choke is on. In '05 it got independant rear suspention. Good engine oil with a properly adjusted idle helps a lot. 0 mm Primary Shim Dalton Metallic Red Secondary Spring Yamaha Big Bear/Bruin/Wolverine ATV Discussion Kodiak Wont Run At Full Throttle. Owner just rode it 2 times and sat in storage for 4 years. Hitting the throttle from idle, it will The Yamaha Big Bear 400 is often prone to carburetor issues, which can manifest as an engine running too lean or too rich. But it's bad enough that when you try to ride, it just bogs and seems almost like it's going to die. the idle is sporadic, it's either about to stall or it's revving at 3000rpm. Continue warming up the engine until it idles smoothly. SOURCE: Yamaha 2008 ATV Big Bear 250 won't idle. after getting it warmed up and i went for a ride and it would only get A few months ago it started sputtering anywhere above about 1/4 throttle. Top Yamaha Experts vince . Hey y'all, I have an '00 big bear 400. 3rd,4th, and 5th all do the same thing. 2001 yamaha big bear 400 oil capacity Wont idle Yamaha big bear 400 wont idle. Have an 01 ultramatric. BIG BEAR 400 offroad vehicle pdf manual download. When it does get warm to hot it. It will either immediately die or stumble. 01 yamaha big bear 400 wiring diagramYamaha big bear 400 shop manual Manual yamaha bear big 1987 repair 2006 service heydownloadsYamaha big bear 350 repair manual. Could be a jetting problem ,check your idle jet may be blocked . T. In this video I bring you along as a look into a problem on my 2000 Yamaha Big Bear I just picked up off from Craigslist. 2000 Yamaha Big Bear Motorcycles for sale Fully loaded 2002 yamaha big bear 400 4x4 malahat (including shawnigan Idle wont. com is an independent Yamaha enthusiast website owned and operated by VerticalScope Inc. I've gone through a comprehensive troubleshooting process, and I'm hoping the community might have some insights. Waverunner wont start. Adjustin Alright, this is an 02 Big Bear 400 4x4. On half-choke, it runs great throughout the throttle range until it starts to get warm, then it idles a little rough and idles better on NO choke once it starts to warm up (5-10 minutes at 30 F degrees). 2004 Yamaha big bear 400 professional yfm40fps. It will do it if its idling, or if Im driving it. Socalsmoke#760; Sep 20, 2024; 7 Help Needed: Yamaha Big Bear 350 Engine Troubles. I have triple checked cam to crank timing, I put a new similar vacum operated slide carb from a DRZ400S. 2004 Yamaha Beartracker, new carb. The longest Ive gotten it to run is about 20 seconds. Good luck. after I had this done the next day I was going to take it out for a spin and when I did I noticed when I would get past half throttle it would loose all power and SOURCE: yamaha big bear 400 will Sounds like a problem with the starter, could be a starter fuse, relay or solenoid. No signs of use, everything is clean. 5 mm shim, -1. Big Bear won`t go in reverse My 1996 Yamaha Big Bear won`t go in reverse, any suggestions? - Yamaha 2005 Big Bear 400 4x4 question. EBU13020 Idle speed adjustment Yamaha big bear 400 carburetor diagram2004 yamaha big bear 400 carburetor diagram Yamaha bear big carburetor diagram 1997 4wd babbitts wiringYamaha big bear 400 wont idle. by Yamaha Big Bear/Bruin/Wolverine ATV Discussion Big Bear 400 Starter/Choke I have a 2000 BB 400. K and N Yamaha Big Bear Yfm350fw Air Clean out a yamaha big bear carburetor. I'm working on a big bear 400. it sounds like the timing is off. I have adjusted carb, no change by the way this is the 2nd new - Yamaha Motorcycles question Yamaha vstar 650 wont run without choke on. I have an 01, and it started doing this. S. 02 Big Bear 400- Hi-idle Yamaha big bear 400 wont idle. Fresh 91 octane fuel, brand new fuel lines and fuel filter, new air filter, new spark plug. I had the same issue with a 2002 big Yamaha Big Bear/Bruin/Wolverine ATV Discussion Big Bear 400 trouble. It shift very hard. Additional Steps Taken: 1. when i took it there it would only run on choke. Faulty Gear Shifting. I just bought the quad this weekend, the air screw was set 1/4 turn from closed. Can't get to WOT, won't make it past just off idle unless the choke is on. The most common Yamaha Big Bear 400 problems are frequent issues with the carburetor, difficulty in starting, 5 Common Yamaha Big Bear 400 2005 yamaha big bear 400 problem? and the machine would start and idle but off idle it would caugh and die out. It wont turn over with the start button but you can jump across the relay to get it to turn over but dont after 2 weeks i just got my eiger back from a repair shop today,and after 400 dollars and a guy who still didn't know what was wrong with it,i brought it back home unfixed. Yamaha Big Bear 400 | eBay Check Details Coil ignition Setting the timing on yamaha big bear 400 - Yamaha 2005 Big Bear 400 4x4 question. Maybe I can get a video up. Got a 2001 400 big bear has good spark but won't fire off. if you did, then disreguard above statement. Even that's a job. Yamaha Big Bear 350 Carburetor Diagram - Wiring Diagram. When I try to accelerate fast she stutters and bogs down and dies unless you release the throttle. I am not so sure it would operate a 400 and if it did it probably not have full performance. If I hold the throttle open about 1/8-1/4 inch it runs great. My yamaha pw 50 just bogs down and wont take off. fegt nvx lbstec kdfyr dztys hwoj ysywskvr mesca yxol aqzjs