What should the compression be for a 1983 GS650GT, I have readings of 160 psi on three cylinders and 180 psi the other, I'm going to redo the check again with a different compression tester. Taking ...
...condenser, CKP, ECM, sensor or the wiring in between. 3. COMPRESSION: you must have at least 80-100 PSI for most bikes, multi-cylinder engines should be within 10-15% of each other if not perform a ...
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