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Old September 22nd, 2008, 02:13 PM
flounderman flounderman is offline
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Default 1989 yamaha 115hp compression
just did compression check, cyl.# 1-105, #2-105, #3-108, #4-108. any comments before I rebuild carbs and do a tuneup? thanks
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Old September 22nd, 2008, 06:21 PM
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JB JB is offline
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Default Re: 1989 yamaha 115hp compression
That looks fine to me, flounderman. You might have gotten higher psi numbers with a different guage or technique, but those numbers are good, with a very good spread.
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