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    1988 OMC Cobra 5.0 (GM) Cranks No start - Have Fuel, Spark, and Compression????

    Hi All, I'm hoping you guys can provide me some insight or something I've missed as Im losing my mind! Purchased a 1988 Bayliner with an OMC Cobra 5.0 (GM) engine. When I picked up the boat the owner showed me the engine would run but only with the starter engaged. When the key was left to run...
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    1986 Mercruiser Alpha One (Gen 1) Transom leaking

    I'm fairly new to boating and was looking for some guidance, so please excuse my nubeness. I recently purchased a 1986 Wellcraft 190 American with a Mercruiser 170 and Alpha One outdrive. On initial launch of the boat, i noticed the boat taking on water as soon as the rear was lowered into the...
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    Mercruiser 470 Mystery - Burning out Pertronix ignition?

    Hello all, I just purchased a 1986 Wellcraft 190 American fitted with a Mercruiser 170HP 3.7l engine. The boat would crank but would not start and I discovered that I was not getting spark to any cylinder. Removing the distributor cap, I see it was outfitted with the OE points system. Coil...
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    1977 OMC 235 - Top Speed??

    Hi, I was hoping someone can tell me what I can expect for a top speed for my 1977 Carver 2547 with OMC 235 sterndrive. I assume there's alot of factors involved in calculating top speed. My boat is a 26 foot cabin cruiser weighing about 4600lbs. After a fresh engine rebuild, I'm only seeing...
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    Stringer Intermediate Housing Taking on Water

    Hi all, Tried the first water test of my 77 Carver with OMC 235 Stringer after a year long restoration today. As we were backing the boat down the ramp, I saw that we were taking on water through what appeared to be the intermediate housing inside the boat. We of course immediately pulled it...
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    Stringer 800 Tilt Binding on Tru Course Steering Gear

    I'm reattaching my upper gearcase to the intermediate housing and testing the tilt function. The unit keeps binding at full up position. It appears the issue is not enough clearance between the steering gear from the intermediate and the steering worm gear on the upper gearcase. When the unit...
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    1977 Carver Ranger - Unknown Switches

    Hi, I have a few switches on my 77 Carver with an OMC stern drive and was hoping someone could please help identify these. I've tried googling, but I haven't had much luck. I've tried tracing some of the wiring but I believe they terminate somewhere in the 5th dimension. I'm an experienced...
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    Unknown Switch identification

    Hi, I have a few switches on my 77 Carver with an OMC stern drive and was hoping someone could please help identify these. I've tried googling, but I haven't had much luck. I've tried tracing some of the wiring but I believe they terminate somewhere in the 5th dimension. I'm an experienced...
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    Adequate cooling for running engine in boat yard

    Hi, I'd like to run my newly rebuilt engine before we launch this coming weekend. The previous owner had attached a hose adapter to the water intake line as shown in this photo: When I run water through it, it just seems to come out the outdrive and I'm not sure if it's being pulled into...
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    Help! OMC Stern Drive PDF Needed!!!

    I was hoping someone had the PDF copy of the the OMC Stern Drive 1964-1986 that was previously posted in the manuals sticky they could send me. My copy I had previously downloaded got deleted and the links on 4drive are now dead. Im 2 weeks from getting my 77 Carver back into the water and...
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    1977 OMC 235 HP 351W Ballast Resistor Replacement

    The ballast resistor for my engine is cracked and smokes. I found the Evinruide part number for it as 0981654 2.0 Ohm for $70+. Can I just use an autozone auto equivalent for $8? It just cuts voltage to the coil, I just dont see how the Evinrude version could be that much different from an...
  12. M

    1977 OMC 235 HP Engine Identification Help

    I think this is a Ford 351 Windsor Engine, can anyone please help me confirm so I get the right part? Thanks!
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    OMC Stringer Tru Course Steering Shaft Removal - PLEASE HELP!!!!

    Hello All, My friends and I have entered in on our first boat project and purchased a 26' vessel with a 1977 OMC 235Hp and Stringer outdrive. The boat has been sitting for sometime and among the other issues, my big problem right now is the steering. It appears we have the OMC true course...
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