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    procedure to check compression on xr6 150 merc

    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...
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    Oil pump failure on 1996 Merc xr6 150hp

    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...
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