Question about kawasaki KX 250 Motorcycles
65PSI is way to low. It probably won’t run at 88PSI either. Put a small drop of engine oil (20w50 or similar) into the cylinder and do the compression test again. If there is a big improvement in compression it means the piston rings are worn and you will have to do a top-end overhaul. As a very rough guide you need 150PSI for a 4 stroke engine and about 120PSI for a 2 stroke engine.
Posted on Aug 21, 2010
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Posted on Jan 02, 2017
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