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Old 08-19-2007, 11:44 PM   #1 (permalink)
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Default compression, jet ski 550sx

ALrighty, I have a 1990 kawi 550sx, and I was doing a compression check on it, but dont know what my numbers really should be. Seems that is has good compression and both cylinders are within 3 lbs of each other. I have one at 70 and one at 73 lbs. per sq. in. can anyone help me?
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Old 08-23-2007, 01:45 AM   #2 (permalink)
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needs to be like 150
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Old 08-29-2007, 11:00 PM   #3 (permalink)
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Ya that's low compression check all you seals, reeds, and gaskets. I think it should be more around 125-130
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