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in this thread, I want to discuss how 4-cycle atv engines work- what the different types are... how they are set up and which you prefer. To start off, are the cams on ALL atv 4-strokes powered by a cam chain? I know that on say a lawn mower or logsplitter engine, the cam is turned by the tappet, pushrods, and valve rockers. Which is better and why? Chain-driven cams or pushrod-driven cams? Are the pushrods just an old version and everything is transforming to chains or the other way around...or not at all? Just looking for some explanation, history, and downsides/upsides...
By Michael Rogers
Well this is my first time tearing down an ATV. Have done a little work on 2 stroke's in the past, but not much. I'm needing some help. I've got a Bayou that has lost compression. I tested it, and it was like at 40psi. I had already set the timing on it, and it does have spark fuel, etc...
My question is about the cylinder. To me it looks pretty toasted, but need some help in determining. It is a 2000 Kawasaki Bayou 220. I bought it not running, just to see if I can get it running so it has not ran since I bought it. This question is about the cylinder, and part 2 I have will be about the CAM.
Any advice / help is greatly appreciated.
Inside sleeve a line(left line) runs the length that I can feel with my fingernail. The line on the right I can't feel.
Some rust it looks like on these two pictures.
Does anyone make aftermarket engine parts for the Suzuki Quadsport LT-Z50?
Pistons, Valves, etc...?
I have found rings and complete gasket sets.... I need an oversize piston kit and valves..
One company is selling a piston, but upon further inspection it is an LT50 piston that they are saying is for the 2006 Suzuki Quadsport LT-Z50. Yet the LT50 Piston is not interchangeable with the LT-Z50 according to the pistons listed by Suzuki.
Any help would be appreciated
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