2010年8月3日 · If the engine was 'run hard', reasonably maintained, etc. such QM engines 'can' easily reach 8000 to 10000 operating hours. What typically destroys most marine engines is 'rust', from the 'inside'; the outside was designed for contact with the 'marine environment' and usually includes a hefty amount of 'corrosion allowance'.

2011年3月6日 · SailNet is a forum community dedicated to Sailing enthusiasts. Come join the discussion about sailing, modifications, classifieds, troubleshooting, repairs, reviews, maintenance, and more!

2009年5月18日 · SailNet is a forum community dedicated to Sailing enthusiasts. Come join the discussion about sailing, modifications, classifieds, troubleshooting, repairs, reviews, maintenance, and more!

2013年4月6日 · SailNet is a forum community dedicated to Sailing enthusiasts. Come join the discussion about sailing, modifications, classifieds, troubleshooting, repairs, reviews, maintenance, and more!

2006年12月27日 · Hello, I have been trying to learn everything about my engine in the hopes to be able to perform all the maint work on it myself. Interesting: I purchased the service manual for the 2GM and 2QM15 engine. In the manual the pictures and the layout of the 2GM match my engine perfectly, but...

2008年2月26日 · Hi Folks, My mechanic brother is about to check out my 25 year-old (raw water cooled) Yanmar 2GM. The engine was smoking a bit at high RPMs / High load, but otherwise worked well. I did have an issue where the raw water flow stopped a couple of times, but when I pulled off the water hose on...

2014年11月16日 · I have a Yanmar 2 QM15 with about 500Hr since it was rebuilt. The oil pressure is fine when I first start up 40 psi and its ok for about 2 hours running at 3000 rpm. The oil pressure starts to drop below 20 psi. The alarm goes off and I reduce the rpm to 2200 or less and the alarm stops and...

2008年7月23日 · Hi, I am new member and I have learned something good from SailNet member: put the starting key into the raw water intake valve.... yes if I can remember to put it there. My boat is 1980 Spencer 34 Sloop, flat bottom U shape hull and the engine is forward under the V berth,because of this the...

2014年9月27日 · Just replaced the water pump on my 34' Peterson (Yanmar 2qm15 wth seawater cooling) All seems well but took her for a ride this morning and the Water Temp. Light came on after about 30 minutes at 2200 RPM. Had temp gun and the highest temp on the engine I could find was 138 degrees F. I will...

2018年10月19日 · SailNet is a forum community dedicated to Sailing enthusiasts. Come join the discussion about sailing, modifications, classifieds, troubleshooting, repairs, reviews, maintenance, and more!