Mercury 50 Hp 2 Stroke Compression - This would directly affect #4 and. Hi, i tested the compression on my merc 50 hp today, cant say i like the results. The engine was cold and i dont have a startermotor so i cranked the flywheel with a wrench a. Bought a 2000 mercury 50 hp 3 cyl rebuilt from ebay. Mounted it on the pontoon and before it was started the mechanic advised that cylinder 1&2 had compression but cylinder. 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 and he. The best advice i can give you is this: With the motor warmed up and on the trailer and in gear, adjust idle mixture screws for the best idle you can get, then add 1/4 to 1/2 turn. What could be the reasons and solutions for a 50hp mercury outboard 2 stroke motor that the middle cylinder compression is much lower than the other 2? 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 cylinders in 1986. 2006 mercury 50hp 2 stroke compression i was just wondering what was the compression of these engines when they came from the factory. I just bought a boat with this engine and when. Most will produce cranking compression readings in the 90 to 105 psi range,.
This would directly affect #4 and. Hi, i tested the compression on my merc 50 hp today, cant say i like the results. The engine was cold and i dont have a startermotor so i cranked the flywheel with a wrench a. Bought a 2000 mercury 50 hp 3 cyl rebuilt from ebay. Mounted it on the pontoon and before it was started the mechanic advised that cylinder 1&2 had compression but cylinder. 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 and he. The best advice i can give you is this: With the motor warmed up and on the trailer and in gear, adjust idle mixture screws for the best idle you can get, then add 1/4 to 1/2 turn.