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Message: [QUOTE="IndyMX, post: 1429130, member: 71057"] I did.. And you were told that your piston and ring were shot. I'd say that if you have low compression, which it would seem you do based on the fact that you can push start it but not kick start it, then you are losing that compression somewhere. If a leakdown test confirmed that you are losing compression over time, like you said in your first post, and your valves have been recently adjusted, then you have to suspect the rings and piston are worn beyond limits. There is only one way to know for sure. You must tear down and measure. And once you have it torn down that far, you might as well replace the piston, rings, wrist pin and anything else that is showing signs of wear. If you continue to ignore the obvious, you are going to be riding around on a very expensive time bomb. Once the piston goes and takes the valves with it, you will be spending quite a bit more than you can imagine to repair it. Have you checked the prices on a new head and cases lately? I can tell you that a used set of CRF250 cases on ebay are about $250 per side. Throw in an extra 500 to 600 for a head, plus the cost for new valves and the labor to install the valves, plus a piston, rings and wrist pin, and you have yourself a ton of money you could have used to buy a lot of gas to break in the piston you need right now. So... bottom line, quit trying to find a mystery problem that you can fix cheap and instead, pull that cylinder off and start measuring in. [/QUOTE]

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