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Repost hoping for an answer on a mariner tstat

T

troy

New member
" By troy on Friday, May 07, 2

" By troy on Friday, May 07, 2004 - 12:06 pm: Edit

I have a 1987 mariner 45hp 4cylinder outboard with a bad t-stat.where is it located on these motors?

By Marci on Friday, May 07, 2004 - 07:21 pm: Edit


To my knowledge there isn't one on that motor. What kind of problem are you having?

By troy on Friday, May 07, 2004 - 09:36 pm: Edit


The overheat alarm sounds at WOT after a couple of minutes running but goes off after turning the throttle down. It seems to be getting plenty of water as the pee hole shoots water like a water pistol but none comes thru the exhaust holes in back... "
 
Troy
Marci is right. these m

Troy
Marci is right. these motors dont have a thermostat or even a pressure relief valve. Check your spark plugs to make sure there is no trace of water getting into the powerhead (precautionary check) then replace your waterpump.
 
The Plugs look fine and the w

The Plugs look fine and the water pump is only 6 months old. can there be a way to clean the water passages? the pee hole is shooting water 6-8 feet from the motor but none is coming out the exhaust holes on the back.
 
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