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| 150cc GY6 and Under Engine Tech GY6 and Smaller Technical Discussion Forum |
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#1
10-04-2011, 11:09 AM
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09 helix 150cc: zero compression
i Have 0 compression on my motor. looking for oem replacement jug and piston, or a big bore kit. what options do i have? also with 0 compression could this be a valve issue?. any help would be great. thanks
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#2
10-05-2011, 04:35 PM
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I have had a valve get stuck open and cause this. Pop the cover off and see if that is what you have. Usally bad rings will still give you some reading on a compression gauge. The other thing is if a valve gets stuck, it may be possible it knocked a hole in the piston.
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2012 Polaris RZR570 stock!
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