180-190 Temperature question Merc 150 V6 1994

gotrance

Cadet
Joined
Sep 21, 2007
Messages
9
Hi
I changed the stats (143's) changed the poppet valve, but the engine still running between 160 to 190 (load and high speed) iddling is around 140-150

Water pump changed about 6 months ago

My question is: is 190 really bad for this engine?

running out Miami, warm waters 84+

Thank you
Reelfish

Next challange will be timing this engine, but I was thinking in leaving it to a professional
 

Laddies

Banned
Joined
Sep 10, 2004
Messages
12,218
Re: 180-190 Temperature question Merc 150 V6 1994

The stats are OK put the popit valve is not opening causing the high temperature off idle. Yes you should fix it
 
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