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    aprox. how much compression should i have. 9.9 82 johnson

    I checked my compresion on both cyl, after 3 pulls on the top cyl. it was at 100, after 3 on the bottom it was at 75 but did not drop, im guessing this difference is due to how hard you actually pull, but does anyone know about how high it should be.
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    won't idle, wont stay full throtle then dies.

    I just bought a Johnons 9.9 1981 short shaft engine. it startss leaking water out the exaust(when I say exhaust I mean the hole halfwaydown the shaft, not from the prop or the peehole) after about 1 minute after starting I gave it a compresion test and both cyl. tested over 75 which i assume is...
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