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Similar Forum Topics
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By Bobbles
Hi all, new to here, looks like a great site. Own two atvs, an at the moment not working honda fourtrax and a yamaha moto4 of some description, trying to work out what model yammy it is.
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By DaveswMN
Pulled my '86 Moto4 out of shed where it sat for 20 years. I knew it smoked. checked it over a little put in gas and it fired right up!!
Drove about 100 yards, ran about half throttle wouldn't idle. Put on somenew parts, jug/piston and rings, carb and valve seals.
'went together ok, tuned it over by hand about 6 revs whick went well. Hit the starter it fired for about 6 revs and quit. tried it again fired once and then th sound of something slipping like maybe chain slipping over spoket.
Took cover off to watch cam sproket, hit starter again, heard same noise and the cam sproket was not turning but jumping a bit. Chain was still tight. You will probably tell me I need to split the lower case but hoping there mightbe something else.
I don't fully understand the chain tightener, the plunger only moves about 1/4 inch, should it move much more than that when off the motor and compressing it by hand?
Thanks for any thoughts.
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By USRaider
Hello all!
I was given a 2000 Suzuki Quadrunner 500 (Quad 500 Runner?) and its current state is a bit of a mystery!
Kept indoors but hasn't been run in 5 years. We're not trying the engine until the gas is replaced, and the tires are reinflated. But the previous owner said their only issue was stalling when shifting to reverse without giving some throttle.
I'm optimistic! See y'all around!
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By Ajmboy
My 2004 Yamaha Grizzly 660 seat is a mess, torn up, cracked, and I have been duct taping it for a while. I bought new vinyl for $35 and need to do it one day. A new seat used to be well over $250 but now its under $100 so I couldn't resist. I got it on ebay with a 10% off coupon for $85.05 plus tax. https://www.ebay.com/itm/146040022154
In case anyone is looking for a new seat for their Yamaha Grizzly 😁
I saw it on Amazon as well for under $100
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By Noti95
20241020_164625.mp4
Hi everyone i am coming from Europe and looking forward to join this community. I'm currently riding Kymco mxu300r which is the same bike as Brute Force 300 just different plastics.
Recently i came to a problem with this atv when accelerating near full throttle it suddenly lost power like i quickly released throttle but i kept throttle lever in the same spot. Since then it pulls off fine until you are past first 1/4 of throttle and then starts stuttering/misfiring. Same behavior when revving in neutral or riding. Cleaned and gapped spark plug but no better.
Could this sudden symptoms be from bad ignition coil and cdi or dirty carb? Carb was never cleaned before but i used stabil in gas when atv was not in use. Atv has 1000 miles carb on it is Keihin cvk32.
Sorry for longer post and thank you in advance.
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