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  1. Mechanical & Hydraulics Forum
    The manual says" We don't publish compression numbers since it requires special equipment " It goes on to say both cyls should be w/25% of each other and gives 2 examples of 60 and 70 PSI. ANYBODY Know a good number for these twins? I know a KAW 14 JD engine is over 130-I think. Mine in the...
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