Re: Sears Gamefisher 15 HP Overheating problem
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Posted by Ed Mc. (22.214.171.124) on July 24, 2005 at 10:43:09:
In Reply to: Sears Gamefisher 15 HP Overheating problem posted by Sailbad on July 23, 2005 at 20:52:29:
Sounds like a defective thermostat. I'd be going back to whoever you bought the parts from and asking for a warranty on the short block since their bad part caused the engine to sieze. You'll be very fortunate if there isn't any engine damage from the siezure.
I'd take a compression check at minimum. Since this was a new powerhead, the readings should be identical. If they are off it indicates damage has been done.
You need a thermostat in there or it won't get warm enough to idle properly. Your bushing idea might work at lower speeds but probably wouldn't admit enough water for proper cooling at higher speeds (unless there's a poppet valve or other spring-loaded device to provide full flow at fast speeds).
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