60 hp mariner power problems

jsalter911

Cadet
Joined
Sep 5, 2007
Messages
7
i have a 60 hp mariner outboard that will run good with water hose hooked up but under a load will only run 5 mph mabey and 3000 rpms full throttle. the otor will not idle. i have no clue where to start need help!
 
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