Trying to bring one back to life
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By PIYIRIO
Hi all - I recently had a shop fix this quad and it hasn't been right since. The jug was resealed as it was leaking, the rings were replaced, and the valve stem seals replaced. Shop said the cylinder walls were great so nothing was done there. The motor still smokes, heavily on startup and all but quits once warmed up. Enough that I can live with it if I can fix what I came to ask about. I mentioned this work because since I've gotten it back it seems like it has power but tops out at a much slower speed than before. It's old so I don't have a speedo but I pulled out my phone at it tops out at 25 mph. I know before the work, I was getting up to 45+ mph... It's so bad, my 10 year old daughter is pulling away and straight leaving me in the dust with her governed Polaris 90.
Given the work done, what are some thing I could be the cause of such a drastic difference? I immediately thought timing but the marks appear to match up with a youtube video I found... no idea if it's correct though. It sat in another shop for 2 months and they gave me an $800 quote just for the starter... it pull starts fine.
FYI: I would take it back to the original shop to figure out but I had some issues that make them a no-go for me.
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By EasyE
I have just recently gotten a yamaha big bear 350 atv and I think the carburetor is a little off on its setting,bc it cuts out at full throttle and it makes a weird pluff kinda sound 3-4 seconds after I hit the kill switch to shut the atv off. I don't know why it's doing that so any help will be greatly appreciated.
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By alain
I just got this quad from my father in law need some tlc. Will need a new battery and does not know the battery PN as I don't have service manual. When my father in law had it , it uses lots of plugs, never got it service to verified why , he just buy an other plug and was good for a other 4 to 6 months .
Any one would havd answers would be appreciated. Thanks
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By mmikesell
First post here need some help/advice. I bought a 2001 king quad 300, vin number JSAAK43A212111871. I have been trying to do some basic maintenance as it runs but doesn't idle all that well . I want to take out and clean/repair the carb but when looking for parts it ask for model X Y K1 K2. How do I know which model I have? I have tried some vin decoders but they haven't told me. If anyone could recommend a carb rebuild kit for my quad Id appreciate it. Also any tips on tracking down an owners manual?
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