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DMC37 DMC37 is offline
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First recorded activity by BoatBanter: Dec 2007
Posts: 1
Default 1989 Johnson 88SPL Does not pee at high RPM

On Dec 2, 10:38 pm, "Billgran" wrote:
wrote in message

...

It all started when it first overheated. ..... I restarted
quickly and let it idle to cool itself. Every since that event, the
motor stops peeing at high speeds or high RPM. I changed the
impeller...seemed like there was a little difference...I could run at
regular running speed but if I trimmed the motor at all it would stop
peeing.


The "pee hole" shows the water flow as it just enters the motor at the
exhuast housing area. If it stops, then the pump is not delivering or an
exhaust leak is pushing back and you may see exhaust coming out of the
indicator hole.

Since the motor got hot enough to cook the paint (didn't you shut it off
when the alarm sounded?), the headgaskets and exhaust cover gaskets may be
damaged, as well as the rubber water deflectors inside the cylinder block.
Also did you only replace the impeller or did you put in the #5001594 water
pump kit?

Bill Grannis
service manager


I only replaced the impeller. The alarm failed to go off but that is
fixed now. I did not see exhaust coming from the indicator hole.
Although when it got hot it did steam a little as the water got back
into the system. I think I am going to bite the bullet on this one
and contact a mechanic. I sure was hoping to fix this on my own since
Christmas is right around the corner.