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The motor bogs down and stalls when bringing it back into
The motor bogs down and stalls when bringing it back into neutral. Starts no problem every time. Misses and sputters at high throttle … read more
Charles
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1994 Mercury O/ 150 hp EFI Optimax. engine starts fine,
1994 Mercury O/B 150 hp EFI Optimax. engine starts fine, idles fine. put it in gear, advance throttle to approx. 1200-1500 rpm. any more throttle and engine noses over and stalls. Changed HP fuel pump… read more
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Charles
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1994 Mercury O/ 150 hp EFI Optimax. engine starts fine,
1994 Mercury O/B 150 hp EFI Optimax. engine starts fine, idles fine. put it in gear, advance throttle to approx. 1200-1500 rpm. any more throttle and engine noses over and stalls. Changed HP fuel pump… read more
DAVID BALLARD
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Vocational, Technical or Trade School
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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
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I had an issue this weekend when my 25 hp fourstroke seemed
Hi, I had an issue this weekend when my 25 hp fourstroke seemed to bog and wouldn't throttle up. We think we had a fuel issue and the motor seems to be operating normally now except...........before s… read more
Jason
Jason
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I have a 2006 merc fourstroke EFI 115 hp, it runs fine until
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2004 Mercury 125 hp saltwater series. Stalls at idle.
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I have 2007 mercury outboard 90 hp will idle till gets warm
i have 2007 mercury outboard 90 hp will idle till gets warm then starts to run eradict at low rpms runs ok at high rpms it is a fourstroke… read more
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I have 5 Tohatsu 25/30 horse efi outboards generally they have
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Tan
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hello, have 115 4 stroke EFI 2002 model 150 hours running
hello, have 115 4 stroke EFI 2002 model 150 hours running very rough idle tru 1500 rpms max. just changed oil, water separator fuel filter, { no water at all in sample from old filter } replaced plugs… read more
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2003 Mercury 115 HP EFI Four-stroke, Saltwater, serial number
2003 Mercury 115 HP EFI Four-stroke, Saltwater, serial number # XXXXX Ran fine until I pulled another boat, now it will not run above 4000 rpm under load (in gear). Seems guardian mode kicked in and i… read more
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1998 Bayliner 5.7L alpha one I/O Engine recent rebuild, runs
1998 Bayliner 5.7L alpha one I/O Engine recent rebuild, runs good at idle and above about 1000 RPM. Slow or normal throttle move from idle, engine runs very rough about 900 RPM it either stalls or wit… read more
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I have a mercury 200 hp carbureted engine on a 22Walk Proline
I have a mercury 200 hp carbureted engine on a 22Walk Proline Walkaround. This summer the engine stalled. Engine starts initially and will operate at a slow speed (approx 6knts) but when trying to get… read more
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i have 1997 mercury 200 hp efi that is getting weak. who in
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I have a suzuki 200 fourstroke motor that back fires when starting
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i have 2 mercury outboard motors that are antiques a 1946 10
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2004 Mercury 250 EFI. My problem is that sometimes the motor
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i have a 1984 200 hp mercury outbard at idle it runs between
i have a 1984 200 hp mercury outbard at idle it runs between 170 and 220 degrees if i idle it to 2000 rpm it cools down to 145 when i drive boat it wiil heat up to just under 220 ichanged the complete… read more
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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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