Johnson 150 Overheat Problem

M

MahootNJ

Recruit
Joined
May 9, 2003
Messages
2
I have a 1996 150 Ocean Runner. I ran it with the earmuffs on and it worked fine. I launched it at low tide, drove it to the dock, and about 20 minutes later (from the time I launched it) the OH alarm came on.<br /><br />I changed the thermostats( first time), let it run for about 20 minutes at the dock, it seems to run OK (no alarm). The area around the thermostat housing is a little hot to the touch, is that normal?
 
H

Hooty

Rear Admiral
Joined
Oct 2, 2001
Messages
4,496
Re: Johnson 150 Overheat Problem

The engine should operate at about 140* which feels hot to the touch. I think the high temp switches close at about 200*. If you really want to know the temp, spend about $80.00 and buy a non-contact infrared thermometer. They're handy.<br /><br />c/6<br /><br />Hooty
 
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