Quote:
Originally Posted by Singaporedream
hi porompp!
thanks for that info! its really useful.im using the k&n filter and it might caused some dirt into the engine. i did the valve clearance and the new compression ratio was about 150 pounds front, 160 pounds rear, when engine not so cold. but when i pour abit of engine oil into the spark plug hold, both raised to 210.
also the valve become more noisy after the doing the valve clearance. it has loud ticking sound. is that ok?
goh
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You need some new piston rings !!!!!!!!! That is for sure ! (as long as your valves are correct and your head gasket isnt leaking)
157 PSI is the absoute lowest compression per cylinder. It should be more like 200. But you HAVE to be sure that the valve clearance is correct first or you will get a false reading.
Measure your valves again. When the engine is COLD !!!
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Did some trips.
Rode some bikes.
Fix them for a living.
Can't say anymore.
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