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We were driving along, and our 115 Yamaha outboard motor
We were driving along, and our 115 Yamaha outboard motor suddenly went "poof" and died. I was told the pistons and rods came apart. The boat is meticulously maintained every fall. Do you know what cau… read more
Jason
Jason
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Jason
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My 2001 yamaha 115 2 stroke was running great at the end of
my 2001 yamaha 115 2 stroke was running great at the end of last season, started up this spring ang ran great at idle. started out onto lake and upon giving gas rpm's increased and then motor started … read more
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I am working on a 2006 Yamaha 115 HP Four stroke that has a
Hello I am working on a 2006 Yamaha 115 HP Four stroke that has a low power problem. Just about the entire fuel system has been gone through or replaced. Already checked the fuel filter and fuel hoses… read more
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Got a 2002 Yamaha HPDI 175 outboard that will cut out with a
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Ted G.
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We had our 20 year old outbord 115 horse mercury 4 cilinder
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Jason
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hi sir , I have a mercury 115 with 3 carb 1985 . my engine
hi sir , I have a mercury 115 with 3 carb 1985 . my engine is turning over , but not starting. some time ,it will back fire . change fuel filters, new gas lines .… read more
Jason
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After replacing all four injectors on my 115 outboard motor
After replacing all four injectors on my 115 outboard motor the engine ran well for about one hour and then went back to running very poorly and will only rev to 2500 rpm. It sounds like fuel starvati… read more
marinedoc
marinedoc
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Working on a 2004 115 yamaha four stroke fuel injected outboard. Mod # XXXXX It went from runnig just fine one day to lacking power the next as in rpms at 5200 down to 3800. Plugs and fuel filters cha… read more
orcamarine
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Have a 1985 Johnson V4 115 HP outboard mounted on a 19 foot
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Tan
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Merc 2005 250hp verado. Looks like I managed to suck in water
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Dominick
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I have a 2007 Yamaha 200 hp 4 stroke outboard with 143 hours
I have a 2007 Yamaha 200 hp 4 stroke outboard with 143 hours on it. It was fitted to the boat exactly one year ago. The motor is located on a small tropical island 400 miles north of the equator, with… read more
ROCKET
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I have a 2004 yamaha 115 4 stroke outboard. It runs fine during
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Larry B.
Larry B.
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I am fixing my babysitters boat motor approx. 2005 to 2007
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Jason Forsberg
Jason Forsberg
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Vocational, Technical or Trade Scho
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I have a 1999 Yamaha 200 hp outboard. Starts and idles fine,
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ROCKET
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Hi I have a 4 stroke 115 hp yamaha and this engine had a complete
Hi I have a 4 stroke 115 hp yamaha and this engine had a complete service of 140 hrs but has a problem in high speed at 3000 RPM starts to cough and the RPM goes to 1500 or stops totally. If I start a… read more
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My Yamaha F225 outboard backfires , sputters and wont go more
My Yamaha F225 outboard backfires , sputters and wont go more than 3000 -3400 rpm's. I had bad fuel in it that separated, I have emptied the fuel tank, tried new fuel,same results, tried a portable 5 … read more
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I have a yamaha wave runner Yamaha WB760U WAVE BLASTER 760
I have a yamaha wave runner Yamaha : WB760U WAVE BLASTER 760 (1996 WaveRunner), and we are having trouble with the fuel delivery to the carb. We have re-built the carb, replaced the reed valve assembl… read more
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Meet the Experts:

Dominick

Dominick

Marine Mechanic

1,009 satisfied customers

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

Ted G.

Ted G.

Rigger, Diagnostician

704 satisfied customers

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

John White

John White

Marine Mechanic

306 satisfied customers

11 years experience working on outboards, inboards, sterndrives & pwcs

Jason

Jason

Marine Mechanic

18,814 satisfied customers

Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

MerCruiser Certified Technician

11,264 satisfied customers

40 yrs. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician.

Jeff G.

Jeff G.

Marine Mechanic

4,729 satisfied customers

42 years experience, Certified Master Technician, All Major Outboards, Sterndrives, Hi-Performance

Captain Dave

Captain Dave

Marine Mechanic

2,672 satisfied customers

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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