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Old 01-13-2017, 02:32 AM   #10 (permalink)
Not Doug
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Yes, I saw people quoting those figures, but tracked down the (technical?) service manual, and saw the 28 PSI figure some people used, while others argued 10 - 15%, without citing sources.

For how many seconds did you test?

"to do a compression test 100% right the engine needs to be cranking at its normal speed, if you have a weak battery or starter then you wont be cranking at full speed." d16 compression? - Honda-Tech

I replaced the battery between the first test (140, 140, 130, 130; 3 strokes) and the second (135, 141, 151, 149; 5 strokes). I find it strange that the first two cylinders tested approximately the same, while the second two increased 19 - 21.

Should I do a leakdown test?
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