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115 4 stroke water pump replacement -why when i remove my
115 4 stroke water pump replacement -why when i remove my lower unit does crankcase oil leak out?… read more
Boat Doc
Boat Doc
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I all ready payed but motor still doesn't run rite 75 hp 4
I all ready payed but motor still doesn't run rite 75 hp 4 cylinder 2 stroke bogs won't go past maybe half throttle put new plugs new coil new wires cleaned blued out carbs still nothing… read more
Tan
Tan
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9.9 merc 4 stroke outboard. starts and runs fine at low
9.9 merc 4 stroke outboard. starts and runs fine at low speed. increase throttle and engine will stop … read more
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Jason
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Vocational, Technical or Trade Scho
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I have a2011 40 hp Mercury 4 stroke I changed all of the
I have a2011 40 hp Mercury 4 stroke I changed all of the fuel filters and fuel line and pump ball to tank it starts right up and idols good it will run perfect for about 30 minutes then I will try to … read more
Charles
Charles
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Got a 30 hp mercury 4 stroke that will not go full throttle.
got a 30 hp mercury 4 stroke that will not go full throttle. fuel inject pressure good, spark good, compression great, but wont go past 3000 rpm. safe mode resettable?… read more
Tan
Tan
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I have a 2006, 90 hp 4 stroke mercury .the engine runs real
I have a 2006, 90 hp 4 stroke mercury .the engine runs real well until it reaches 4,000 rpm from that point on when i advance the throttle an alarm comes on ,the engine starts to miss and it looses po… read more
Jason
Jason
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Hello I have 60 hp 1996 Mercury Mariner that starts and runs
Hello I have 60 hp 1996 Mercury Mariner that starts and runs fine at full throttle for about 20-30 minutes then the motor will suddenly start to die, if you do not throttle down to about half speed it… read more
Charles
Charles
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i have a 2002 115 hp 4 stroke merc ot506741. It starts fine,
i have a 2002 115 hp 4 stroke merc ot506741. It starts fine, but when I phift in geafr and start to throttle up it wants to stall. When hit higher RPM itseems to run great, but the low RpM it seems to… read more
Charles
Charles
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Since you did me well last time here we go again. 1999 Mercury
Since you did me well last time here we go again. 1999 Mercury 15 hp 2 stroke electric. History, sat in barn for ten years with gas in carb. Almost no running time on this motor. Have used spray carb … read more
Tan
Tan
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I have a 2004 mercury 6 hp engine (4 stroke) that i bougt new
I have a 2004 mercury 6 hp engine (4 stroke) that i bougt new in 2005 that was run for an hour or so and then stored upright for 6 years. I started it recently (using the five year 6 year old gas) and… read more
orcamarine
orcamarine
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I have a mercury marine 4 stroke 9 HP 2010. It starts immediately,
I have a mercury marine 4 stroke 9 HP 2010. It starts immediately, but after running for a few minutes, it dies. I have tried disengaging the drive and increasing the throttle, but it seems to die whe… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
last evening my (merucry 75 hp 4 stroke) was rough/sputtering
last evening my (merucry 75 hp 4 stroke) was rough/sputtering and stalled. It was rough at 30/40 rpm throttle and push on at higher trottle. So decide to come back and just as i ws getti back in m doc… read more
Whitecap36
Whitecap36
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Vocational, Technical or Trade Scho
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Hello there.....I have a 1988 Chapparal with a 4 cyl, 165 hp
Hello there.....I have a 1988 Chapparal with a 4 cyl, 165 hp Inboard out Drive Motor. Problem.....Runs fantastic in the driveway with a hose and muffs attached. Starts Great, Revs up great, sounds fan… read more
Jason
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Vocational, Technical or Trade Scho
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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
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On the net there has been discussion about increasing the horsepower
On the net there has been discussion about increasing the horsepower of Mercury outboard engines by removing restrictions in the carb intakes on the same size and weight engine such as the 50hp to mak… read more
Jeff G.
Jeff G.
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I have a dingy with a Mercury 9.9 outboard (About 4 years old
I have a dingy with a Mercury 9.9 outboard (About 4 years old and has had a tune up each winter). Just recently started to die at low idle when in gear. Also noticed when dingy was on davits and I was… read more
Noel Schembri
Noel Schembri
Marine mechanic
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I have a 2007 25 hp, 4 stroke Mercury on a 12 Amanzi inflatable
I have a 2007 25 hp, 4 stroke Mercury on a 12' Amanzi inflatable also by mercury with a built in tank. Tt has maybe 30 hours on it. At the beginning of the season I changed the oil and filter, fuel fi… read more
Whitecap36
Whitecap36
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Vocational, Technical or Trade Scho
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I have a 2007 15 hp, 4 stroke - cranks first pull, idles great,
I have a 2007 15 hp, 4 stroke - cranks first pull, idles great, runs at top speed great, when i dethrottle off of a plane the engine sputters then cuts off, imediatley after the engine cranks first pu… read more
Whitecap36
Whitecap36
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Vocational, Technical or Trade Scho
1,545 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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