compresion

[Skools Out]

it sounds like one of the twin 1990 Johnson 140's i bought from BR that had according to the hr meter 3890 hours on it. that motor reads between 62 and 68 psi on all cylinders it actually runs just hard to start at times.

[swampbilly 1980]

I've got a '84 150 Johnson and the compression was around 85-88. They told me that it was "worn out" but, she runs like a clock. 30mph@5200rpm . She could blow any day, but heck we'll use 'er 'till she dies For $2500.00 boat motor and trailer I couldn't go wrong... and I know......