Yanmar 3ym30 overheating problem. Remove the pump cover with a wrench.
Yanmar 3ym30 overheating problem. Symptom: engine runs fine, all day at up to 2500RPM, push a bit more ok, but after 2600 will over heat after approx 10min, Jul 22, 2006 · Approximately the first 5,500 Yanmar 3YM30 diesels supplied to boatbuilders and fitted in Jeanneaus and US-type Hunters (amongst others) have an overheating problem, usually showing up only after about 100/150 hours running, and when the sea water temperature rises in summer. Remove the pump cover with a wrench. My boat is going to be fixed as a result of two Yanmar "Marine Service Advisories" (MSA's). I can run at 2850 all day without a problem but overheat at 2900+ in about 10 minutes. Write the same message like above. The engine ran hot and the overheat alarm (212 degrees) would come on at 3000 rpm or less. Early overheating problems sorted by an under warranty change to a different and bigger heat exchanger. Jun 7, 2004 · We are now optimistic that the overheating problem on our engine has been resolved. A loose belt casues slippage that results in reduced circulation of the fresh water and overheating. The 3YM30 is not the only engine with the problem. y1ln bif t1wu3ocp mam ldpi 9l ftfbcc3 pl9 52 wla
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