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i have a 1996 force 75 hp outboard that when I push down on
i have a 1996 force 75 hp outboard that when I push down on the throttle it just dies out and I have to do this about 10 times before at full throttle it will finally take off. Checked the carb and it… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
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82 Mercury 50hp 4 cyl. #5704323. Idles great, starts great
82 Mercury 50hp 4 cyl. #5704323. Idles great, starts great and accelerates great but at full throttle the rpm's tend to lower and rise with no consistency. it's in a 15ft 1980 nymph weighing only 500#… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
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Have an 84 Yamaha 115. Runs great at idle till you throttle
Have an 84 Yamaha 115. Runs great at idle till you throttle up slow then stutters and dies at mid range, but if you slam down the throttle from a dead start it bogs for a sec and takes off like a bat … read more
Charles
Charles
Marine Mechanic
Certified Mercury Tech
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HAVE A 1979 MERC 700 PROBLEM IS THE BOAT RUNS AT FULL THROTTLE
HAVE A 1979 MERC 700 PROBLEM IS THE BOAT RUNS AT FULL THROTTLE AND WHEN YOU SLOW DOWN AND THE GO FULL IT SOUNDS LIKE ITS STARVING FOR FUEL AND WILL NOT RUN WIDE OPEN ,I PULLED THE CARBS CLEANEN ALL JE… read more
Jeff G.
Jeff G.
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I have a 2008 Z200 HPDI. It idles rough and hesitates from
I have a 2008 Z200 HPDI. It idles rough and hesitates from about 1200-2000RPM. After it gets on step, it runs great. I just changed spark plugs, Medium pressure fuel filter and fuel water separator ca… read more
Jeff G.
Jeff G.
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Vocational, Technical or Trade Scho
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When I increase thr throttle quickly to full the motor stalls
When I increase thr throttle quickly to full the motor stalls but if I increase the throttle slowly it stays running and runs strong. What could be causing this.… read more
Jeff G.
Jeff G.
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Vocational, Technical or Trade Scho
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Have a 454 engine Holley 750 Carb. The engine runs great at
Have a 454 engine Holley 750 Carb. The engine runs great at idle or full throttle. Not good at mid range it sputtered and looses power. Also the resetable breaker keeps popping at the terminal block.… read more
Jeremy R.
Jeremy R.
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-I have a 94 four winns fling with an omc turbo jet 115 engine....... -it
-I have a 94 four winns fling with an omc turbo jet 115 engine....... -it stahls at low speeds below half throttle and idle, (runs great at full throttle)...... -at idle it coughs, (and makes a mechan… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
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I need to find out why my 2003 Tracker by Mercury is running
I need to find out why my 2003 Tracker by Mercury is running so rough on idle and hesitates from the takeoff. Recently started the running roung. I place Seafoam in this tank; however I have not ran i… read more
Jeff G.
Jeff G.
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Vocational, Technical or Trade Scho
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I have a 215 hp v-8 mercruiser with 31 hours runtime on it.
I have a 215 hp v-8 mercruiser with 31 hours runtime on it. It runs great when you first put it on the water. But after about 1 hour, it won't idle. It runs great above idle all the way to full thrott… read more
Tan
Tan
MerCruiser Certified Technician
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11,264 satisfied customers
Hello, I have a 2005 Merc 115hp saltwater(2 stroke). New
Hello, I have a 2005 Merc 115hp saltwater(2 stroke). New plugs an wires, and gas with a can of (seafoam additive). The boat starts fine after sitting, and gets me to where Im going, then anytime I try… read more
Expert
Expert
2007 etec 150 throttle controll seems to have a fast spot instroke
2007 etec 150 throttle controll seems to have a fast spot instroke or approx 11/2" of mid travel. not as responsive from idle to mid stroke then fast spot, then less responce for remainder to full str… read more
Master Tech
Master Tech
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Vocational, Technical or Trade Scho
1,167 satisfied customers
I just purchase a 1994 Searay 30ft equip w/ twin mercruiser
I just purchase a 1994 Searay 30ft equip w/ twin mercruiser 5.7L 250hp v drives. Whats the operating cruise RPM for those motors, @ 3400 rpm I get 24kts with 2 on board. Also the port engine has a har… read more
Whitecap36
Whitecap36
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I have a 1990 Johnson GT 150 that acts like it will not take
I have a 1990 Johnson GT 150 that acts like it will not take gas when you are taking off. You have to hold the choke on when giving it gas to take off. It runs just fine when you get it up to speed. P… read more
Jeff G.
Jeff G.
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since fitting new thermostate motor runs rough more so when
since fitting new thermostate motor runs rough more so when under load it just does not get up and go back fires through carb which is injected some times it will flood when turned off and then it wil… read more
Scott Martin
Scott Martin
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Vocational, Technical or Trade Scho
167 satisfied customers
my 1995 evinrude overheats on full throttle, full plane only.
my 1995 evinrude overheats on full throttle, full plane only. I have replaced the stats and flushed the motor with stats removed and the problem still exists. Also replaced the water pump. Is there a … read more
Master Tech
Master Tech
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Vocational, Technical or Trade Scho
1,167 satisfied customers
I have a 2003 johnson 150 HP (2-stroke). the engine starts
I have a 2003 johnson 150 HP (2-stroke). the engine starts and runs fine when cold, but after it is hot and sits for a 30 minutes or so, it will not run properly at mid range speed (it will idle "OK" … read more
Master Tech
Master Tech
Service Manager/Technician
Vocational, Technical or Trade Scho
1,167 satisfied customers
351 windsor in ski boat starts ok. idles ok. but stalls at
351 windsor in ski boat starts ok. idles ok. but stalls at random while running mid to wide open. this is driving me crazy… read more
ROCKET
ROCKET
MASTER CERTIFIED TECH
Vocational, Technical or Trade Scho
426 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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