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60 HP Mercury outboard on pontoon. Under lower speeds
60 HP Mercury outboard on pontoon. Under lower speeds (1500-1800 rpm) the motor runs fine for about 20 minutes, then "stumbles" like it isn't getting fuel. Pumping the primer bulb does not help. Event… read more
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1994 Mercury O/ 150 hp EFI Optimax. engine starts fine,
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MY 2002 MERCURY 50HP EFI BIGFOOT STARTS RIGHT UP AND IDLES
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we have a 1998 Mercury EFI outboard. We changed the plugs
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I have a 2003 scarab with 2 250 ficht on it. one engine loses
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I recently bought a 2002 Pro-Line 23 sport with a 2003
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I HAVE 2003 150 EFI MERCURY MODEL NUMBER OD275590 IT STARTS
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Meet the Experts:

Ted G.

Ted G.

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40 years boating, Safe boating instruct., Offshore Race promoter, Failure Analysis, Expert Witness

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Jason

Jason

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Tan

Tan

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Jeff G.

Jeff G.

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Noel Schembri

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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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