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Volvo Penta 5.7ci overheating problems

vcm518

New member
I have a overheating problem with my starboard engine overheating after I come off of plane 70% of the time. Also if I run for 10 minutes at 4500 RPM it will overheat. In the past I could run 5300 RPM and never overheat. It never overheats between 2000 and 4000 RPM. I have changed the thermostat and impeller with no relief. My port engine is starting the same problem coming off plane. I had the temperature of the risers and manifold read with a infared gun, but they are cool, as well as all the hoses. Any suggestions? Anyone else have a similar problem? My craft is a 3060 Regal.
 
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