1988 Johnson 120HP outboard water pump issue

stewart

Cadet
Joined
Mar 20, 2007
Messages
28
When I start my engine, is water imdiately supposed to drip out the hose, or should it wait until the engine is warmed up, and the thermostat opens allowing water to flow through?

Thanks.
Stewart
 

ezmobee

Supreme Mariner
Joined
Mar 26, 2007
Messages
23,767
Re: 1988 Johnson 120HP outboard water pump issue

I believe it should always be pumping. The thermostat being closed just allows the water to bypass the block.
 

Walker

Captain
Joined
Jun 15, 2002
Messages
3,085
Re: 1988 Johnson 120HP outboard water pump issue

On your particular motor it will take a while, maybe 10 seconds, before it starts peeing.
 
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