What is considered low compression for a two-stroke.
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  1. #1

    Posts
    10

    What is considered low compression for a two-stroke.

    Specifically, a 50cc Suzuki JR50. I'm running 90psi and it starts easy, revs good, and idles okay (it's a two-stroke) but I've got no power at all. Can anyone say that "When compression falls below x psi, time for a fresh top-end." What's the threshold.

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  3. #2

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    635
    anything under 70-80 psi, I always rebuild.


 

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