Dear Gents,
I have Wellcraft Martinique 29 with single Volvo Penta KAD 42-B
When cruising between 1500 RPM - 2500 RPM at around 7 knots - 14 knots, there is no any overheat problem.
However, when at full throttle around 3000 - 3500 RPM, engine starts to heat and then overheat and alarms...