1987 DT150 SS low water pressure after warm up

Chris_Buttigieg

Recruit
Joined
Jul 11, 2011
Messages
1
Hey Guys,
Just took up tournament bass fishing and having a REAL problem with a used DT 150
At start up low water pres lights go out fairly quick, but after warm up (approx 5 min.)
or I am assuming when the thermostats would be opening. the right water pres. light comes on and puts the rev limiter into safe mode to limit @3000rpm.
I have tried flushing the system for obstructions,both sensors tested and working, swapped out themostats to either side and even tried running w/out them.... Nothing seems to get rid of problem. aside from disconnecting sensors( in which case boat runs great but prob. hot)
Any help would be great as I have a tourney Sat. and the new head gaskets won`t be in until Wed.
 
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