OliverB
XS400 Junkie
What's your feeling about this?
I have always heard that you perform a compression test by removing all plugs, engine cold and throttle fully open. That's what I did this A.M. on my engine but the test kit of my son's said to perform the test on a warm engine. So which is it: cold or hot engine?
BTW, got 176 PSI on both cylinders, engine cold. Will repeat the test on a warm engine.
I have always heard that you perform a compression test by removing all plugs, engine cold and throttle fully open. That's what I did this A.M. on my engine but the test kit of my son's said to perform the test on a warm engine. So which is it: cold or hot engine?
BTW, got 176 PSI on both cylinders, engine cold. Will repeat the test on a warm engine.