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120hp 1986 mercruiser, runs great, then sits for 2 weeks.
120hp 1986 mercruiser, runs great, then sits for 2 weeks. Now no spark. I change points and condenser. It starts and runs then sits 2-3 weeks again, no spark. Why? … read more
Jason
Jason
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Vocational, Technical or Trade School
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120HP 4cyl. mercruiser, revs up fine in nuetral but sputters
120HP 4cyl. mercruiser, revs up fine in nuetral but sputters and coughs in gear. Fuel filter was sucked convexed, replaced it???… read more
Jason
Jason
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Hi. I have a 1981 120HP Mercruiser that I am trying to wake
Hi. I have a 1981 120HP Mercruiser that I am trying to wake up after 9 years of storage. The engine turns over but will not fire. I checked for spark on the distributor coil wire against ground and go… read more
Tan
Tan
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i have 1986 starcraft with a 120hp mercruiser, something broke
i have 1986 starcraft with a 120hp mercruiser, something broke in the lower unit behind the prop..it just started making a loud clicking noise then the engine then the rpm's when way up. with the boat… read more
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i have a 1986 140 merc with the alpha 1 that broke the block
i have a 1986 140 merc with the alpha 1 that broke the block will a 2002 125 merc engine bolt in as a replacement ?… read more
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Hi I have a 87 bayliner 3.0 lt/omc cobra outdrive. The motor
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Tan
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Hi, I have a 120hp 2.5 mercruiser with a cracked block. I also
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K. Kergan
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I have a 94 120hp mercruiser with a broken top mounted quicksilver
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Will a Mercruiser 1.7L 120HP Diesel push a Chaparral 215 SSI
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Master Tech
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I just purchase a used boat with a Mercruiser i/o with a GM
I just purchase a used boat with a Mercruiser i/o with a GM straight 6. But I do not know the engine details (no manuals). The block casting GM(NNN) NNN-NNNNis a 1983 I think. How do I find out the in… read more
capt ron 1959
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Hi, Ive just bought a fairly old (1980s ) Fairline Vixen
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Captain Dave
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i have a 87 Rinker w/a 120hp Mercruiser. The boat ran get until
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we have a old 1971 boat with a mercruiser out drive and a 4cyl
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How do you adjust the shift control linkage after replacing
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ROCKET
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I need to replace or rebuild my alpha1 gen 1 outdrive. I can
I need to replace or rebuild my alpha1 gen 1 outdrive. I can buy a reasonably priced mercruiser rebuilt alpha mr. will it fit?… read more
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1978 stingray w/120hp 4cyl mercruiser turns but no fire new
1978 stingray w/120hp 4cyl mercruiser turns but no fire new coil plugs&battery cap roter& points are clean could it be related to breaker on top of engine or sylinoid… read more
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I have a 1983 wellcraft boat that has a 351 mercruiser engine
I have a 1983 wellcraft boat that has a 351 mercruiser engine in it. I have been trying to get it running but I am having problems getting spark. I replaced the spark plug wires, cap and rotor, and sp… read more
Captain Dave
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i need a distributer drive gear for1974 mercruiser marine ...
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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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