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Old 04-19-2008, 08:21 PM  
Tech Initiate
Join Date: Jul 2007
Posts: 38
Trader Rating: 2 (100%+)

I like to check my pinch, not compression.if you take out the glowplug and turn over the crank with your fingers and you dont feal any pinch, the piston and liner are probably gone. it only takes a lean mix for a good days racing, or suck some dirt in to junk the piston & sleeve. all im saying is...compression means little to nothing on this kind of motor.
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