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Intermittent issue with 4.3 cobra. SEEMS to run out of gas.
intermittent issue with 4.3 cobra. SEEMS to run out of gas. I am questioneing if it is getting intermittent power to fuel pump. since it does not always act up, it's hard to troubleshoot … read more
Jason
Jason
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Vocational, Technical or Trade Scho
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I removed the resister wire to the coil and installed a coil
I removed the resister wire to the coil and installed a coil with a built in resister ran a wire from the alt. terminal that come hot with the key to the + on the coil. so the wire from the starter so… read more
Jeff G.
Jeff G.
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LOOKING BALLAST RESISTOR ON A 4.3 LITRE OMC COBRA ITS OF
LOOKING FOR THE BALLAST RESISTOR ON A 4.3 LITRE OMC COBRA ITS OF COURSE A V6 INSTALLING A MALLORY DIS BRAKERLESS IGTION … read more
Tan
Tan
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I have a 1988 215 Sundowner with a 4.3 Ltr OMC Cobra no
I have a 1988 215 Sundowner with a 4.3 Ltr OMC King Cobra no longer running. Can I replace it with a 1990 5.7 Ltr OMC with little or no modifications especially the engine mounting points?… read more
Jason
Jason
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Vocational, Technical or Trade Scho
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I have a 1988 omc cobra engine in my boat. Its a 5.7 GM with
I have a 1988 omc cobra engine in my boat. Its a 5.7 GM with breaker and points ignition. The boat started to lose power a few summers ago but hasn't been bad enough to keep us off the lake. As of las… read more
Tan
Tan
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My 19 foot 1988 cris craft OMC 4.3 v 6 badly misses when starting
My 19 foot 1988 cris craft OMC 4.3 v 6 badly misses when starting out. After a while it may run great. Stop and again a bad miss very bad miss. We have replaced the carb ( carb exchange L.A ) new poin… read more
Jason
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I have a 1988 omc cobra 4.3 litre engine ( chev V-6 ) , the
I have a 1988 omc cobra 4.3 litre engine ( chev V-6 ) , the oil dip/fill tube is broken where it connects to the fitting at the bottom of the oil pan , any ideas on fixing or where I can obtain a repl… read more
Jason
Jason
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Vocational, Technical or Trade Scho
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1992 OMC Cobra Sterndrive on a 1993 Chris Craft Concept at
1992 OMC Cobra Sterndrive on a 1993 Chris Craft Concept at 2900 rpms the boat stalls marina says they've replaced both fuel pumps, all the fuel injectors, fuel pressure good I googled 1992 OMC Cobra S… read more
Tan
Tan
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I have a 1988 Bayliner OMC Cobra with a rebuilt 350 with 4bbl
I have a 1988 Bayliner OMC Cobra with a rebuilt 350 with 4bbl carb. It ran great after the rebuild last year and for the first 5 runs this year. It starts great and revs up nicely when the outdrive is… read more
Tan
Tan
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have a 1999 four winds boat, with GM 4.3 V6 not getting any
have a 1999 four winds boat, with GM 4.3 V6 not getting any fire from coil. I have replaced thecoil distribator pick up and module , new distribator cap and rotor -still no fire… read more
James
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Vocational, Technical or Trade Scho
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Sterndrive, 1978 OMC 240hp - Keep blowing starter soleniods
Sterndrive, 1978 OMC 240hp - Keep blowing starter soleniods - replaced starter, battery and ignition switch. Installed new solenoid, attached cables, turn key to start, started engages - everything fi… read more
KKassel
KKassel
OWNER
High School or GED
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My 4.3 litre omc cobra breaks up [email protected] just
My 4.3 litre omc cobra breaks up [email protected] just replaced ignition moduale. After breakup still runs fine @2400rpm. What's wrong?… read more
Jason
Jason
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Vocational, Technical or Trade Scho
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I have a 1990 4.3 L OMC Cobra Sterndrive that has been rebuilt
I have a 1990 4.3 L OMC Cobra Sterndrive that has been rebuilt and has about 40 hours on the engine. Yesterday I was running it (with hose adapter) to charge the battery and make sure it was okay to t… read more
Tan
Tan
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I own a 1988 FourWinns 18 open bow with a OMC Cobra 4.3 L
I own a 1988 FourWinns 18' open bow with a OMC Cobra 4.3 L (4V) engine. Over the past few years I had intermittent incidents where when I tried to get a skier out of the water the engine would sputter… read more
Master Tech
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I have a OMC 5.0 Cobra engine. It will crank up and run fine,
I have a OMC 5.0 Cobra engine. It will crank up and run fine, once it warms up it will start to bog down. While running if it starts to bog down I can hit the trim button and it will start to run corr… read more
Whitecap36
Whitecap36
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It seems the batteries on the boat I just bought are not charging
It seems the batteries on the boat I just bought are not charging when running. I am going to put a battery charger on them in the morning to recharge. What should I look for to determine if alternato… read more
capt ron 1959
capt ron 1959
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Boat runs fine for 5 to 10 minutes. Then it stalls and wont
Boat runs fine for 5 to 10 minutes. Then it stalls and won't restart. If I wait about 20 minutes it will start and run for less than a minute and stop. Has brand new battery. I put on a new coil. Has … read more
Scott
Scott
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Vocational, Technical or Trade Scho
543 satisfied customers
Hi I have recently purchase a 1988 22 Thundercraft with
Hi: I have recently purchase a 1988 22' Thundercraft with a 4.3 Liter OMC cobra V6. The engine runs well, however I would like to do a minor tune-up i.e. plugs, points, coil, cap, cables and an oil ch… read more
Pappy's Sales and Service
Pappy's Sales and Service
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