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There's a viberating or a knocking sound that's coming from
There's a viberating or a knocking sound that's coming from the drive system, as I am in idle coming out of the marina I can hear it, if I turn the least bit it gets somewhat louder. I've started noti… read more
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Jason
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Vocational, Technical or Trade School
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2007 225 hp. Bogs down at higher rpm. Even backfired. new
2007 225 hp. Bogs down at higher rpm. Even backfired. new fuel in tank. … read more
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I have a caravelle 187. 2007 with a 4.3 volvo penta. boat is
i have a caravelle 187. 2007 with a 4.3 volvo penta. boat is in imacculate condition. However, starts fine, idles fine, but when you throttle up and get to 2800-3000 rpm, boat just dies. When you try … read more
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What is the optimal cruising rpm merc 6.1 pushing a 27
What is the optimal cruising rpm for a merc 6.1 pushing a 27 ft sea ray and what is the rpm range available with the merc smart card troll control?… read more
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Hello, I'm buying a 1996 2509 Trophy w/225 Merc. EFI. How will
Hello, I'm buying a 1996 2509 Trophy w/225 Merc. EFI. How will fuel burn compare to my 23' Formula c/c w/ 5.7 Merc. sterndrive, and please compare quality and performance to the 1976 Formula........Th… read more
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I have a 1992 maxum 2700 merc 454 that flatlines at 2800 to
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I have a 1989 Crestliner with a 5.0 liter mecruiser engine.
I have a 1989 Crestliner with a 5.0 liter mecruiser engine. I bought the boat a year ago and have not been able to get it to run correctly since I bought it. Once the engine is warm and has been perfo… read more
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I have a Westerbeke model 5.0BCG 5kw generator in a 2004 32
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Tan
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1998 L29 7.4l merc inboard (starboard)will not go above 3500
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I have a 1999 mercury 225 efi with just me in the boat it will
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Michael
Michael
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I have a 1986 formula 242ls with a new mercruiser 275hp. from
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Have 87 Pursuite with twin 140 OMC Seadrives. Have had for
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I have a 1989 150 Black Max Merc. New plugs ,several new coils
I have a 1989 150 Black Max Merc. New plugs ,several new coils new waterpump, Everything checks out OK. It starts up perfect revs fine idles great. Put it in gear and it runs great to get out of the M… read more
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hi I have a 1980 merc 470, starts great and idles good, when
hi I have a 1980 merc 470, starts great and idles good, when under load will not go better than 2700 rpm. timings on,rebuilt carb, new plugs, wires,new points,rotor, dist cap. can you give me any sugg… read more
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Can a motor slip at high RPM level when it is engaged/with
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I have a 92 175 Mariner and I was at lake this morning. Started
I have a 92 175 Mariner and I was at lake this morning. Started fine as usual. Was idle to warm up.left dock.died and ran battery down trying to crank it. Checked fuel filter and and some type of oil … read more
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502 BBc 9to 1 compression, Merc 500 hp cam, Demon marine 750 carb, MSD ignition running 32 Degrees total advance. Runs great to about 4200 rpm and destroys pistons at about 4300. two motors in a row, … read more
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i have a pair of 502 mags in my boat ,mercruiser long blocks
i have a pair of 502 mags in my boat ,mercruiser long blocks ,i need to know the correct timing total advance so i can buy the right ignition modules for my application… 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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