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2016 60 hp 4 stroke mercury outboard runs rough at low RPMs
2016 60 hp 4 stroke mercury outboard runs rough at low RPMs then shuts off. Turn off the switch and turn on the motor back on and runs great. Also at high Rpms (5000), the alarm beeps 6 times once aft… read more
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2010 60 hrs 4 stroke efi. It runs fantastic up to 40rpms. After that 6 beep alarm comes on. There is water flow...chages oil..filter..fuel filter and seperator before i took it out. … read more
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Charles
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60 hp 4 stroke EFI, OT625955. Outboard idles rough and then
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Charles
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2016 Mercury 4 stroke 60 hp. Will idle for about 30 seconds,
2016 Mercury 4 stroke 60 hp. Will idle for about 30 seconds, and then 6 beeps from the console before it completely shuts off … read more
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Charles
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I have a 2007 mercury 90 hp 4 stroke efi. It is intermittently
I have a 2007 mercury 90 hp 4 stroke efi. It is intermittently beeping 4 times every 3 minutes. It does run smooth then spits and sputters. I am reading about draining water out of vapor separator how… read more
Charles
Charles
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I have a mercury 60 hp four stroke big foot and the alarm beeps
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Charles
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Have a 2003 mercury 60 hp four stroke Efi that idler perfect
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Charles
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2009 Mercury 60 hp (not big foot) 4 stroke EFI. Has a slight
2009 Mercury 60 hp (not big foot) 4 stroke EFI. Has a slight miss at idle, stsrts out running rough, will smooth out but will not get above 4000rpm. Have treated fuel, changed lines, fuel filters, low… read more
Charles
Charles
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I have a 250 efi mercury 1999 and having overheating issue
I have a 250 efi mercury 1999 and having overheating issue at 3000rpm after 3 to 5 minutes of operation?? This has been going on for about a year we have tried everything , popped valves pulled the cy… read more
Charles
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I have a 40 hp EFI Mercury 4 stroke (2006) Once the boat is
I have a 40 hp EFI Mercury 4 stroke (2006) Once the boat is on a plane it will run for a short period of time then idle back down. I have changed the bulb, fuel filter, and installed a inline filter c… read more
Charles
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We have a 50 hp 4 stroke Mercury motor on a pontoon boat.
We have a 50 hp 4 stroke Mercury motor on a pontoon boat. It idles fine but when put in gear runs very rough or dies. I have replaced the fuel pump and spark plugs but no change. A friend has suggeste… read more
orcamarine
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I have a 50 Hp ELPTE EFI Mercury 4 stroke that is not charging
I have a 50 Hp ELPTE EFI Mercury 4 stroke that is not charging the battery. I've checked connections and battery condition and they're all good. The manual suggests defective rectifier, alternoator or… read more
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I bought a 2005 key largo with a 60 hp EFI mercury 4 stroke.
I bought a 2005 key largo with a 60 hp EFI mercury 4 stroke. The engine runs beautifully but the shifting sticks and after a mechanic lubricated the gears it still is sticking. I want to replace the c… read more
Jason
Jason
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Hi, I have three questions. 1. I have a 60 hp mercury
Hi, I have three questions. 1. I have a 60 hp mercury 4 stroke EFI year 2003, at high speed, RPM goes beyond 7000 rpm, also what is the proper idling rpm for this motor. What could the problem for rpm… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
I have a 115 hp Mercury EFI 4 stroke 2008 ( Latin America version
I have a 115 hp Mercury EFI 4 stroke 2008 ( Latin America version if that matters) that alarm sounds and she cuts out over approx 3200 rpm. The motor seems to run good below 3200, but over somewhere b… read more
Jeff G.
Jeff G.
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Meet the Experts:

Ted G.

Ted G.

Rigger, Diagnostician

2,678 satisfied customers

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

Dominick

Dominick

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1,009 satisfied customers

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

John White

John White

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Jason

Jason

Marine Mechanic

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Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

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

Jeff G.

Jeff G.

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4,730 satisfied customers

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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