Johnson 150 OB 2 stroke


Old 03-03-09, 03:50 PM
Thread Starter
Join Date: Nov 2005
Location: washington
Posts: 73
Johnson 150 OB 2 stroke

Was out in the boat today. Was traveling about 30 mph. The motor continued to rev but lost forward thrust power. It would run at lower speeds but when it exceeded say 2500 rpm it would rev but loose its forward power. It is a 2001 Johnson OB. Never had this kind of problem. Didn't die. Also I would back the throttle off to low pm and it worked fine but, as soon as I got into the higher rpm, same problem. I would appreciate any help.
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Old 03-03-09, 05:25 PM
Join Date: Jul 2008
Location: Montgomery MN
Posts: 541
If the prop blades hanen't been damaged I would remove the prop and inspect the hub. Look for round balls of rubber where the splined part of the prop is held in place to the blade part.

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