Merc EFI 175 overheating

lbwagner

Recruit
Joined
Sep 3, 2007
Messages
1
Idling, we're fine. When I run it hard and get on plane, the overheat alarm sounds. We idle a while and the alarm stops.

In reading the threads, this seems to be a big problem.

I've replaced the stats and poppet valve, oil reservoirs are full, water is circulating in the engine. I replace the impellor 2 years ago but with barely any hours on it since.

Now what?
 
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