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Have a mercury 40 hp. late 80 mod. Starts easy and
have a mercury 40 hp. late 80 mod. Starts easy and accelerate ok until about 1500 rpm. If you give more trotle after that, it did not respond. Have cleaned the carb, and rebuilt the gaspump. compressi… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
Motor will run fine, I'll stop and restart and all is good.
Motor will run fine, I'll stop and restart and all is good. After about 3 start attempts, motor will stall and cannot restart. After a few hours motor will restart with same same problem stated above.… read more
Charles
Charles
Marine Mechanic
Certified Mercury Tech
5,080 satisfied customers
I have an old 1988 Mercury Xri 220 hp. I recently took it
Hi Jason, I have an old 1988 Mercury Xri 220 hp. I recently took it out and it will not get to WOT. The RPMs top out at about 2500. At times with the throttle all the way over it will reep up to 3000 … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
1984 115 hp inline 6. Had carbs rebuilt. wont get above 1500
All fuel line and primer bulb have been replaced also.… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
Whenever i put my boat in the water and put it in gear it
whenever i put my boat in the water and put it in gear it stalls runs in a tub fine it is an 85 hp force 1986 … read more
Charles
Charles
Marine Mechanic
Certified Mercury Tech
5,080 satisfied customers
My 200 HP 1986 Mercury outboard motor has recently started
My 200 HP 1986 Mercury outboard motor has recently started to lose power intermitantly. It will suddenly have no power after 3000 rpm and will not go over 3000 rpm no matter how far you push the throt… read more
Charles
Charles
Marine Mechanic
Certified Mercury Tech
5,080 satisfied customers
My 1994 mercury 60hp was running just fine then it went from
My 1994 mercury 60hp was running just fine then it went from running over 3000 on the tach to a little over 2000. Idles and runs until you put the gas to it. Could it be the fuel filter?… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
I have a 40 hp outboard 1993 evinrude motor starts up fine
I have a 40 hp outboard 1993 evinrude motor starts up fine but when accellaration it shakes the motor from side to side it has good compression at 120 psi in both cyl unplugged the temp switch new coi… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I have a Force 125hp outboard engine that seems to have a fuel
I have a Force 125hp outboard engine that seems to have a fuel problem. The engine runs fine at 20 mph. When I give it full throttle, the engine runs full for about 10seconds and then sputters, misses… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
Mercury 200hp hdpi: i have mercury 1999 , 200 hp twins..a
i have mercury 1999 , 200 hp twins..a new problem just started......just had fuel pumps and filters replaced......in rougher seas 3 to 4 ft at 3400 rpm engine are fine .....above 3400 rpms even in 2 t… read more
orcamarine
orcamarine
Proprietor
Vocational, Technical or Trade Scho
7 satisfied customers
I have a 1997 60 hp mercury bigfoot 2 stroke engine. I will
I have a 1997 60 hp mercury bigfoot 2 stroke engine. I will bog down occasionally at 3200 rpms and stall out. I will run under 3200 rpms fine and idle great.… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
2006 Mercury 115 Hp 4 stroke engine. Will not idle. At full
2006 Mercury 115 Hp 4 stroke engine. Will not idle. At full throttle runs well no missing no smoke. At 3/4 throttle starts to miss with a 1000 rpm dip on tach, at 1/2 throtttle much worse with a 2000-… read more
Noel Schembri
Noel Schembri
Marine mechanic
Diploma
1,740 satisfied customers
I have a Mercury Classic Fifty (45) hp 1989 3ngine. The problem
I have a Mercury Classic Fifty (45) hp 1989 3ngine. The problem i am faced with is this. The engine had been running fine we were at high throttle when all of the sudden the engine dropped to 3000 rpm… read more
Whitecap36
Whitecap36
Service Manager/Technician
Vocational, Technical or Trade Scho
1,545 satisfied customers
I have a 150 hp marnier motor it idles good but when you give
I have a 150 hp marnier motor it idles good but when you give it gas it will spit and sputter and has no power. I have disconected O/I. what do you think.… read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
348 satisfied customers
I have a 20 ft pontoon boat that came with a 40 hp mercury/force.
I have a 20 ft pontoon boat that came with a 40 hp mercury/force. I swapt the motor with a 120 hp elpt mercury/force with a 21 pitch prop. Its a dog. What is the right prop?… read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
348 satisfied customers
I have a Johnson 97 200 HP outboard that runs fine at 3000
I have a Johnson 97 200 HP outboard that runs fine at 3000 rpm, but cuts out on me at idle. I have re-built all of the carbs... changed all filters, and i replaced the fuel pump last year. I was havin… read more
davesoutboard
davesoutboard
owner
Associate Degree
1,570 satisfied customers
Outboard Motor Force/Mercury 1997 75 hp rough idle
My Force by Mercury 75 HP 3 cylinder outboard has 3 cylinders but is only running on 2. I have checked compression at 120 #s, I can ground the plug and get a great spark, and the other 2 cylinders run… read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
2,672 satisfied customers
hello, i would like to know what do u think about a 1997 ...
hello, i would like to know what do u think about a 1997 20 ft trophy force by mercury 120 2 stroke outboard engine. is this an outboard that is prolomatic and will be giving me lots of problem. what … read more
Pappy's Sales and Service
Pappy's Sales and Service
Vocational, Technical or Trade Scho
586 satisfied customers
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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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