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I have a Yanmar 4JH - HTE 66 hp Turbo...this AM I found a #7
Hello! I have a Yanmar 4JH - HTE 66 hp Turbo...this AM I found a #7 bolt lying under the engine. I cannot find where it came from. It was lying under the front left of the engine, but I was in a reall… read more
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We have 2 x Yanmar SD20 with YM30 motors. 2x Yanmar SD20
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Yanmar 3GM30F smokes after about 5-10 minutes of warm up.
Yanmar 3GM30F smokes white after about 5-10 minutes of warm up. Seems to run good, starts easy, and no apparent power loss. This just started after sitting over the winter. Was not smoking last fall. … read more
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I have a Yanmar outdrive issue. The outdrive is Yanmar
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My Yanmar burns maybe 3/4 cup of oil over 8 hours of running
My Yanmar burns maybe 3/4 cup of oil over 8 hours of running time. Is that acceptable? … read more
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Is the Yanmar 6lp-ste a good engine?? and how many hours should
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I am looking at buying a 1998 350-390 Mainship Trawler
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i have a 3gm30f yanmar 1998 engine with 4500 hrs on a 36.2
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Tan
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I own (and lived aboard a sailboat in seattle for 10 years),
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I have a Yanmar 3GM30F YEU in my boat. I find that whenever
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I am considering buying my first boat and it is a albin 28
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Engine smokes, mixing elbow seems fine, no evidence of water
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I have a Yanmar 3gm30f after running for extended periods ,when
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I have a Yanmar 3GM30F, with Type B control panel. This week
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I have a Yanmar Model 3JH5E installed on a yacht, running hours
I have a Yanmar Model 3JH5E installed on a yacht, running hours 550, I have been using 20W50 conventional lube oil, we are going to make an oil change, 20W50 synthetic oil has been recommended. Two qu… read more
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I have a Volvo Penta 2003 28hp engine in my Moody Eclipse 33.
I have a Volvo Penta 2003 28hp engine in my Moody Eclipse 33. The boat is 19 years old and I have had it for the last 10 years. Just this season I seem to have noticed grey exhaust at low revs, especi… read more
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3GM30F High internal pressure causing oil leaks, starts and
3GM30F High internal pressure causing oil leaks, starts and runs fine. What can be done to reduce pressure?… read more
Tan
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I have a Yanmar 3GM30F (vintage 1989) an my Tripp 37 cruiser
I have a Yanmar 3GM30F (vintage 1989) an my Tripp 37 cruiser racer, but engine has been run only some 60 hours per year, so is relatively young. I discovered an oil leak of severla ounces in 15 minute… read more
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Michael
master marine technician/charter captain
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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