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I have an Endeavour33 sailboat from 1984 with a Yanmar 20cv
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My 30 hp yanmar when put in fwd or reverse at low power will not drive, but makes a shudde
My 30 hp yanmar when put in fwd or reverse at low power will not drive, but makes a shuddering sound. When higher power is applied it works and no shudder. After several goes at this it usually all wo… read more
Tan
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We have a Yanmar with strange sounds and gear problems
We have a Yanmar 2GM enigne from 1982-ish, with a Kanzaki KM2A gearbox, that is making strange sounds when put in forward gear (and only in forward gear, nothing in reverse and engine purrs like a kit… read more
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i have a 9 horsepower inboard diesel on my sailboat, and when
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I have a Kanzaki KBW20 transmission that is leaking ATF. Inspecting
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Century Resorter- 72CBW: My question regards XXXXX XXXXX 72C Velvet
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James
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Same boat--Tanzer 26 with Yanmar YSE 8 engine. Engine runs
Same boat--Tanzer 26 with Yanmar YSE 8 engine. Engine runs fine and has good power in reverse but low power in forward. How do I adjust the clutch/transmission? How do I know if the clutch needs to be… read more
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1984 Rinker 18 open bow 185 Mercruiser Alpha One 6 cyl Engine
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I have a 1992, 24 Trophy boat; 5.7 merc I/O, with Alpha 1
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Repowered by Hunter 22 with an older rebuilt Yanmar 3QM fresh
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I have recently purchased a sail boat which has a Yanmar 1GM10
I have recently purchased a sail boat which has a Yanmar 1GM10 engine. Boat is 30 years old and I assume engine is also. The engine has a quite a loud metalic knocking sound which increases with revs,… read more
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I recently purchased a 2006 Mainship Pilot,with 160 hours on
I recently purchased a 2006 Mainship Pilot,with 160 hours on a Yanmar 6LPA-STP-315hp engine.It has a factory installed 5 blade prop.At WOT it turns @3400 rpm's.The specs say 3800 @ WOT.Do I have a pro… read more
Jason
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I am looking at a 1997 Sea Ray boat with 550hp 6V92s with 900
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Hello, I have a 28 suntracker pontoon boat with a Mercruiser
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We have been experience some clunking ( heavy vibration ) when
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I have an older 1977 20 hp merc outboard and yesterday as i
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In September 2008 I purchased a 1988 Bayliner 2855 with a
In September 2008 I purchased a 1988 Bayliner 2855 with a Mercruiser 7.4 Stern drive. The boat was sliped,full serviced, bottom cleaned and anti-fouling applied. Q.The boat takes some time to get up o… read more
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Meet the Experts:

Ted G.

Ted G.

Rigger, Diagnostician

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40 years boating, Safe boating instruct., Offshore Race promoter, Failure Analysis, Expert Witness

Dominick

Dominick

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25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified

John White

John White

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Jason

Jason

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Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

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Jeff G.

Jeff G.

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Captain Dave

Captain Dave

Marine Mechanic

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USCG Licensed Captain, 20+ Years Boating, Fishing, Maintenance and Repair Experience

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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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