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We had our boat out fishing. We were running across lake at
We had our boat out fishing. We were running across lake at end of day and the motor lost power and died. Had to throttle up to restart and limped back. Very rough. Found top 2 cylinders were not firi… read more
Charles
Charles
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I have a Yamaha max 250. Can seam to get this thing to idle
Hello I have a Yamaha max 250. Can seam to get this thing to idle good. Low pressure good. Night pressure @ like 950 to 1k. New plugs. If I get it out on a water test. And get it up to speed. It runs … read more
Boat Doc
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I have a 98 mercruiser 7.4 horizon that's been giving me
I have a 98 mercruiser 7.4 horizon that's been giving me problems. It runs very rich and has a rough idle. It cleans up at higher Rpms but when I slow down it can stall or the Rpms will race up and do… read more
Tan
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One of my 2005 Yamaha 4-Stroke F115 with 600 hrs is running
One of my 2005 Yamaha 4-Stroke F115 with 600 hrs is running rough above idle. It starts fine and idles smooth as far as I can tell but as soon as I give it any throttle (this is all out of the water),… read more
Jason
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Need some help trouble shooting a 2005 115 HP E115FPX SOD problem.
Need some help trouble shooting a 2005 115 HP E115FPX SOD problem. High Oil Consumption / rough idle low RPM… read more
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We just bought a 96 gti that starts great, but after about
We just bought a 96 gti that starts great, but after about 20-40 seconds starts running slow, rough, like it runs out of fuel. Cleaned fuel filter, put some sta ble in it because thats all the marina … read more
Jeremy R.
Jeremy R.
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I have a 1996 Carver 355 aft cabin with twin 454 crusader XL
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briggs archer
briggs archer
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i have a polaris virage txi 12000 is there a rev limiter it
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Kenny O.
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I have a 15 hp 4stroke mercury outboard that I bought new from
I have a 15 hp 4stroke mercury outboard that I bought new from the dealer. It is a remote steering model. The first time I took it out in flat water, it worked fine. I then travelled upwind into a cho… read more
Jeremy R.
Jeremy R.
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In have a 2007 Yamaha F150 4 stroke. It was running great
In have a 2007 Yamaha F150 4 stroke. It was running great but today a few minutes after leaving the dock it started running rough like I had 1-2 cylinders that weren't firing. Changed the inline fuel … read more
Whitecap36
Whitecap36
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hi I have a 99 maxum 33 w/7.4 merc B3. We got a cont warning
hi I have a 99 maxum 33 w/7.4 merc B3. We got a cont warning horn at cruise but all indications normal after 10min powered back to almost idle and the horn went to every 10 sec for about 5min and then… read more
Jeremy R.
Jeremy R.
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I cleaned/rebuilt all 6 carbs on a 1990 250hp Yamaha that has
I cleaned/rebuilt all 6 carbs on a 1990 250hp Yamaha that has been sitting one year. Replaced all 3 fuel pumps, new plugs (gapped) and ran fuel straight from a new 5 gal can with new fuel. The motor c… read more
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Jeff G.
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Subject SUZUKI DF-40 ROUGH IDLE NOW 1 CYLINDER Engine 2005
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Jeff G.
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2002 Yamaha XL700... runs great under throttle but dies when
2002 Yamaha XL700... runs great under throttle but dies when throttle is released won't idle at all.... pulled the plugs with the water hose connected and water comes out the top of both cylinders see… read more
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I have a 2001 25hp Honda 4-stroke outboard, it has always performed
I have a 2001 25hp Honda 4-stroke outboard, it has always performed flawlessly, this past week when I start the engine it will not idle and will shut down quickly after initial start, however I can ru… read more
Jeremy R.
Jeremy R.
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my 1997 seadoo gti runs great for about 1min. then will only
my 1997 seadoo gti runs great for about 1min. then will only go about 10 mph and sounds a little funny… read more
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Joe
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Aloha James My name is Keoni and I live in hawaii. I have
Aloha James My name is XXXXX XXXXX I live in hawaii. I have a 2005 yamaha F150 4 stroke EFI outboard. I havent ran this motor sense the 1st of january up until 3 days ago. I tried to start it up but i… read more
Jeremy R.
Jeremy R.
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I have a 33 horse Johnson that starts and runs great but will
I have a 33 horse Johnson that starts and runs great but will not let me slow troll without sputtering and stalling. New points, rebuilt carb, new plugs, new gas . Any ideas?… read more
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Captain Dave
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Meet the Experts:

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Dominick

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Tan

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Jeff G.

Jeff G.

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Captain Dave

Captain Dave

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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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