The private owner says the compression test shows each cylinder at 150 psi. I just bought a boat with this engine and when doing the. Webmar 17, 2018 · the serial number on the thing stumps me and maybe the previous owner too, he told me it was a 1986 model, but from i read mercury 50 2 strokes were 3.

Webmay 1, 2016 · i have a 2005 merc 50 hp 2 cycle and mine are between 114 and 118 which i thought were low but i have a good friend in another state that is a mercury repairman. Webdec 15, 2011 · i am currently looking at a used boat with a 2002 50hp mercury 2 stroke engine. Webjun 23, 2012 · i have a 2000 50 hp 2 stroke mercruy that i bought new. Webapr 27, 2014 · i checked compression (each cylinder was 120 psi), installed new plugs (gapped correctly), installed new fuel bulb, new battery, and have removed, installed. Webdec 20, 2014 · i was just wondering what was the compression of these engines when they came from the factory. Most will produce cranking compression readings in the 90 to 105 psi range, depending on.

Webdec 20, 2014 · i was just wondering what was the compression of these engines when they came from the factory. Most will produce cranking compression readings in the 90 to 105 psi range, depending on.