2005 Mercury 50hp 2 cycle surging under power

flyingscott

Fleet Admiral
Joined
Apr 8, 2014
Messages
8,095
That compression is doubtful. How much oil was put in the cylinders for the test. Or get a different gauge.
 

lszet55

Cadet
Joined
Aug 30, 2023
Messages
14
That compression is doubtful. How much oil was put in the cylinders for the test. Or get a different gauge.
i have a Milton compassion tester not calibrated. I used no oil. The gauge could be off but all cylinders are close and assumed on the higher end?
 
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