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By John Victor
My father-in-law gave my boy a 1999 350 Big Bear. It's been sitting in a barn for a bunch of years. It runs great! My boy has been riding a couple weeks now and it has developed a squeal coming from the front end when you get off the gas at speed. No noise during acceleration. At first I thought brakes. I took it for a ride and I don't think it is the brakes. I feel it is the front prop shaft U-joints, front differential or one/both axles. I pulled the fill plug on the differential and I can't find anywhere how much gear oil should be in there. My gut says up to the fill opening. It doesn't have a manual. It's wet in there, just don't see any gear oil.
#1 Should I fill the differential with gear oil up to the fill opening?
#2 How do I check or know if the u-joints are bad? That looks like a "Big Bear" of a job if they don't need to be replaced.
#3 What else could it be? I don't think it is the front bearings. I jacked the front wheels off ground and no play in the right wheel. Very little play in the left wheel, looks like the lower control bushing is where that play is coming from. The rubber CV boots look original but all still intact. Wheels spin easily without any noise.
Thanks for any help!
i have a 91 moto 4 100. has electric start only. for as long as i could remember we have always pushed start it. after riding for while you shut it off. you are able to hit the start button and it will start right up. anyone know where i should start with fixing this issue? im fixing it up for my niece. thank you in advance.
By Steven Urban
First time using this forum. Owned a Kawasaki dirt bike once, had no issues. But I picked up this 4 wheeler at an auction. They stated it ran, but only needed a battery. Well I do not believe that was all true.
Some pictures are attached. Not sure why, but the whole air filter stuff was removed. They had some small thing inserted as a make shift air filter.
I purchased a battery to try this all out. Waiting to return it and get the proper size, as it was too big for the battery box. But here is my issue I had while the battery was connected.
1 - The lights on the steering column did not come on. Not sure if they work or not.
2 - The starter solenoid seems to be bad. I have a new one on order.
3 - In the pick, there is another rusted part. Not sure what that part is or what it is used for.
4 - What is the 12v rectifier? square bodied part.
So when I hooked the battery up. Pushing the start button did nothing. Pulling the cord to try and pull start, it turned, but would never fire. I have put in a new spark plug as well, it looked worn out. With electric start, I crossed over the posts on the start solenoid, it turned over, but would never fire and start.
I have read a few other threads and it stated something about needed the neutral light on. SOmething about a kill switch.
Any help would be appreciated.
Dumb question. How much oil registers on the oil level gauge while running? The oil level reads correct when off, but while running I can only see just a little bit in the oil level gauge. Makes wonder if the oil isn't circulating well enough.
Also, whats your preference in battery brands for ATV's (standard or AGM). We don't ride it all that often.
Thanks in advance for any info.
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By Nate Hanson
I am a new atv owner...I bought a used atv this summer (pretty sure it is a wolverine but reg card from last owner didnt actually say that so idk for sure). It ran great for most the summer and early fall but one day I tried starting it and it turned over a while without starting and then suddenly it quit turning over at all. No click or anything.
I charged battery and light turns on showing neutral and heatlight can go on.
A few other things that may be pertinent: The pull start is missing, I have a fluke multimeter but not many other advanced tools (or relevant experience), there is an extra aftermarket led light attached to front but it doesnt work either... never looked into why since I didnt need it.
I looked for a fuse box and didnt find one.
Please recommend some easier things to try first as I really want to avoid taking it in if I can (having one income and 4 kids can keep out extra cash, plus I want to learn). Pictures would be awesome if possible. Thanks!
By Kanyon Pershing
I have recently rebuilt my Yamaha warrior 350 engine and when I got it all back together with no “spare parts” i went to start it and realized it’s in reverse. I went to put it in drive and the shifter won’t budge, I took the linkage off and tried to use vise grips but it won’t budge at all. Any help would be greatly appreciated. I’m hoping it’s not something internal!
By Colin James Krepela
So here's the deal people, I have an old Avenger 350 4X4 Shaft Driven ATV. They only made them in the early 80's their thought of as the first four wheelers from around back when Suzuki made one in 1982. I believe the engine on it is a Kohler as I watched this video https://www.bing.com/videos/search?q=avenger+400+atv&view=detail&mid=1E10E939019CA07770031E10E939019CA0777003&FORM=VIRE but mine is a 350. That's if its original, and it all looks original. I am wondering where I can get parts for this engine, or really what engine is it. I have no way to find the year, unless you guys know where a serial number might be. Every sticker is worn off. IF anyone has any information at all on these old wheelers it would be greatly appreciated. I specifically need the gaskets for the carb, and don't tell me I could build them please I want to restore it as perfectly as I can. I can take pictures of the wheeler/carb if it'll help. Let me know.
Has new top end, piston, rings, valves, etc. great compression, good spark, plenty of fuel. Valves have been set. timing has been tripled checked. Can not get it to start. any ideas suggestions on anything I am missing. Also if anyone has the service manual it would be greatly appreciated.
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