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I have a 2009 15HP 2stroke Mercury. The engine will star and
I have a 2009 15HP 2stroke Mercury. The engine will star and Idle but when I out into gear its wants to stall. … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
The engine stalls when put into forward, No lights, the boat
No lights, the boat idles fine even revs, just wen put into forward it stalls. Wen put into reverse it seems like it's not selecting gear correctly … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
1983 Mercury 115 HP outboard stalls/dies after revving up to
1983 Mercury 115 HP outboard stalls/dies after revving up to about 1200 RPM - but only when trying to accelerate in forward or reverse gear. Motor usually starts OK and idles fine and will rev up to h… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
I have a 1976 Mercruiser 228 MCM that seems to run perfectly
I have a 1976 Mercruiser 228 MCM that seems to run perfectly for 25 minutes, then suddenly dies at idle and if switch to gear. Will restart but continues to die, I replaced coil and condenser and am u… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
I have a Mercury 7.5hp...serial # XXXXX(NNN) NNN-NNNN I am unable to
I have a Mercury 7.5hp...serial # XXXXX(NNN) NNN-NNNN I am unable to locate any info for this serial #. Online or local marine supply stores. I need a water pump kit & info on why there is a high idle… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I have a 1999 Mercury 90 hp 3 cylinder carb. , runs rough at
I have a 1999 Mercury 90 hp 3 cylinder carb. , runs rough at an idle up to about 1200 rpm. Seems to smoke more than normal. Motor is a recent purchase on a 25 pontoon boat. Ran compression almost 120 … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I put my 70hp Mercury in the water and it started right up
I put my 70hp Mercury in the water and it started right up after sitting in the garage for 8 yrs. My problem is that it idled so fast I couldn't shift it into reverse. I don't want to make control adj… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I HAVE A 75 HP MERCURY OUTBOARD MOTOR. THE CARBS HAVE BEEN
I HAVE A 75 HP MERCURY OUTBOARD MOTOR. THE CARBS HAVE BEEN CLEANED IN WARMUP POSITION IGET MAX RPM'S. PUT INTO GEAR AND I ONLY GET HALF POWER28 HUNDRED RPM'S.… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
I have a 1985( ) Mercury outboard that runs rough. Carb, fuel
I have a 1985(?) Mercury outboard that runs rough. Carb, fuel adjustments to no avail. There is a cylindrical cylinder attached to the carb. that has a plug at the bottom missing. Can that be the prob… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
1976 evenrude 3 cylinder outboard that starts like a dream;
1976 evenrude 3 cylinder outboard that starts like a dream; idles perfect and will rev up with the control, but put it in forward and the engine stops. It will not run in gear. new plugs. The compress… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
have a 04 f40tlrc Yamaha outboard. began running erratic last
have a 04 f40tlrc Yamaha outboard. began running erratic last season.carbs. cleaned & regasketed,Mech. timing ok, comp. 200psi+,good spark&Valve lash in spec. Ign. timing is 5*ATDC @ idle, backfires t… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
i am a little frustrated with the mechanic i took my boat to.
i am a little frustrated with the mechanic i took my boat to. i have a 1985 mercury 150 black max outboard .the engine fires up but once they put the boat in the water and give it full throttle it qui… read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
2,672 satisfied customers
I have a 89/90 40HP oil injected Mercury outboard (SN#0C160126).
I have a 89/90 40HP oil injected Mercury outboard (SN#0C160126). Had not run it for three years. New plugs/new gas with STARTRON. Starts with choke, but will not idle. As long as choke is engaged engi… read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
2,672 satisfied customers
4.5 mercury outboard will not run at idle, runs good at higher
4.5 mercury outboard will not run at idle, runs good at higher RPM Serial #(NNN) NNN-NNNN This just started last week… read more
ROCKET
ROCKET
MASTER CERTIFIED TECH
Vocational, Technical or Trade Scho
426 satisfied customers
We have a Mercury 90hp 2 stroke 3 cylinder outboard. We have
We have a Mercury 90hp 2 stroke 3 cylinder outboard. We have just finished replacing the ignition switch, spark plugs and cleaning the carburators. The motor starts, idles and runs fine up to 3500 rpm… read more
ROCKET
ROCKET
MASTER CERTIFIED TECH
Vocational, Technical or Trade Scho
426 satisfied customers
I have a 95 3.0L mercruiser with a 2 brl carb that will not
I have a 95 3.0L mercruiser with a 2 brl carb that will not idle. Runs OK at higher RPM but starting & stopping will stall when shifted back to neutral. Idled well last year and first trip in the wate… read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
2,672 satisfied customers
Mi 1985 outboard (johnson 90) stall at idle speed and has problems
Mi 1985 outboard (johnson 90) stall at idle speed and has problems getting the boat off plane and even after that happens, it won't go to 5000 rpm like it used to before a long time of off season stor… read more
Dr. Joe
Dr. Joe
Bachelor's Degree
198 satisfied customers
hi, i have a mercury oil injected, carb, 175 hp 1998. it ...
hi, i have a mercury oil injected, carb, 175 hp 1998. it was running fine for about 15 min then lost power and stalled. it will rev high in neutral but will not grt over 1800 rpm in gear. i have drain… read more
Larry B.
Larry B.
Marine Service Tech
High School or GED
574 satisfied customers
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Meet the Experts:

Dominick

Dominick

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

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Ted G.

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

Jeff G.

Jeff G.

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4,729 satisfied customers

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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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