1986 yam 150 overheated

topdogeye

Seaman
Joined
May 5, 2008
Messages
50
never had any problems with motor. Just gel coated boat so disconnected and removed motor then reconnected motor. Took her out for the first time and motor overheated. stopped let her cool down ran back to launch at about mid speed didn't overheat on the way back. On that run I made it out about two-miles. Thermostat issue??
 

topdogeye

Seaman
Joined
May 5, 2008
Messages
50
Re: 1986 yam 150 overheated

BTW there was never a pissing issue it was always working. Wheather it was full strength or not I can't tell at this point like I said on the way back in we were at half speed but motor was pissing.
 

Oldmxer

Recruit
Joined
Mar 31, 2011
Messages
5
Re: 1986 yam 150 overheated

topdog, I'm having a similar experience...Have you checked the pressure control valve, too ?
 
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