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I have a 2009 yamaha 115 that bogs down when I push the
I have a 2009 yamaha 115 that bogs down when I push the throttle down. I put new injectors in it 2 years ago and it ran fine until late last year and this year. It seemed to run good at first although… read more
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My boat won't take full throttle and I want to check the
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I have a 13' foot whaler with a 50hp Yamaha 4 stroke.
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I have a 2005 Mercury 40 HP EFI Big Foot 4 stroke ser #1B099527
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I have a 2004 Yamaha 115 HP 2 stroke saltwater series outboard.
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Working on a 2004 115 yamaha four stroke fuel injected outboard.
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just purchased boat 2004 key largo 19 115 yamaha 4 stroke water
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I have a 2005 Yamaha 115 4 stroke with 90 hours on it and always
I have a 2005 Yamaha 115 4 stroke with 90 hours on it and always maintained properly. All of a sudden, I have loss of power after it planes out. It will get up to 3800 RPM and then slowly come down un… read more
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I have a 50 hp Yamaha outboard F50TLRF 6C1L1017967 I installed
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I have a 115 Yamaha four stroke. has been setting for two years,
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i have 2003 yamaha 115 tlra 4 stroke.runs smooth up to 2300
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2005 yamaha 4 stroke 150. RPMs up in neutral but power drops
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I have a 225 Hp Johnson 1999 that idles fine at 850 neutral
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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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115 4 stroke 2004 mercury surges after heats up.High presure
115 4 stroke 2004 mercury surges after heats up.High presure reads 39 psi running ,low presure reads 8 to 10 have replaced both pumps no change.The shop had me replace the high presure this week end n… read more
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Hi, I have a 2004 Mercury 115hp 4-stroke EFI outboard, when
Hi, I have a 2004 Mercury 115hp 4-stroke EFI outboard, when i rev the engine on neutral sounds fine and will rev up till rev limiter, but in gear or under load, it will start bogging past 3500 rpm and… read more
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Meet the Experts:

Ted G.

Ted G.

Rigger, Diagnostician

2,242 satisfied customers

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

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

Captain Dave

Captain Dave

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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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