yanmar 2gmf

Hi Yesterday during winterizing I noticed something very concerning with my engine. The pan underneath had a good deal of oil mixed with some clumped rust particles. Additionally there was a part that looks like some sort of collar that was laying in the oil and I can't tell what it's from...

Here is the part # with picture. Hope this helps. Capt. Rob

I installed a fresh water system to 1. flush out salt water before leaving the boat after a trip. 2. winterizing the engine and all plumbing threw out. 3. when I need to diagnose problems with RAW water pumping properly threw engines pump. Case and point: My 2GMF started to lose raw water...

Last night I was motoring back to marina in 2 to 3 foot swells and no wind on Lake Michigan. After about an hour and half rpm dropped from 3300 to 2000 rpm and wouldn't climb back up. No smoke, motor sounded normal. Put in nuetral and reved up to 3300 rpm then back forward, same problem wouldn't...

Hello Yanmar owners! The one thing I hate is when the engine doesn't start but it does turn-over great. For many reasons I'm told, air in line, bad filter, fuel lifter/pump and go's on and on. The worst part is to find out that the more you crank the chances are greater for water to backup...