Re: Removal of Johnson 7 1/2 hp Power head


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Posted by Ken Denman (24.77.36.232) on September 20, 2005 at 07:20:48:

In Reply to: Removal of Johnson 7 1/2 hp Power head posted by Martin on September 19, 2005 at 20:15:47:

The drive shaft may be rusted into the crankshaft receiver.

To work on the gasket, try small amounts of gasket remover.

In both cases, spray wd-40, down the exhaust to get to the driveshaft and to loosen the gasket - let it soak at least overnight. Some wd-40 may trickle into the cylinders through the exhaust and into the water passages. Make sure you put the motor upright before working on it, otherwise loosened rust and carbon bits may make their way into the cylinders.


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