Have a 1996 merc 150 (carbs) and need to know how to check compression. After reading other post it looks like I should get 110# with no more than 10%<br />difference on other cylinders. What should I do to engine before test....warm up engine, pull all plugs and then what? Any grounding of...
Had an oil pump failure without a warning signal or beep of any kind, all oil tanks full but nothing making it to the engine. Ran 3 or 4 miles a 3,000 rpm and did not notice any loss of performance or problem of any kind. Is it possible that the power head could make it witout any damage? I...