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    Weak spark, no start after bump in road 86 OMC 4.3

    Got my uncle to come out and help. I guess I just needed another pair of hands. While I turned it over he fiddled with the carb and fuel/air linkages and it fired up immediately. It just needed a tad more fuel and air. Now it starts up and runs with no issues. Unfortunately now that it runs I...
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    Weak spark, no start after bump in road 86 OMC 4.3

    Thank you. I had considered switching it back to points, unfortunately I don't have the mounting plate the previous owner took out to do the conversion. I'm trying my best to check for continuity anywhere I can to determine if there is a break in a wire or connection somewhere, It's just taking...
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    Weak spark, no start after bump in road 86 OMC 4.3

    I will start testing continuity anywhere I can to check for broken wires. Perhaps I'm mistaken, but I don't see an ESA here, it looks like 2 relays. I was going to test the ESA after work, does this setup look familiar to anyone? As far as the voltage at the coil I am going to try a jumper...
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    Weak spark, no start after bump in road 86 OMC 4.3

    I have been unable to get this engine running reliably since I bought it. GM 86 OMC cobra previous owner swapped points to pertronix ignition, I had it running once, changed the out drive because it was destroyed and couldn't get it running again. Took it to the local mechanic and he said when...
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    86 Cobra 4.3l, no gimbal zerk, why bellows exploded?

    So the gear oil in bellows is definitely the carrier bearing seal from the upper unit that seals in the oil around the Yoke. I thought at first no problem I'll pull that out and just replace the seal. Boy did I have no idea what that entails. Has anyone undertaken disassembly of that shaft...
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    86 Cobra 4.3l, no gimbal zerk, why bellows exploded?

    I bought a 1987 24' marathon walkaround style fishing boat for $1000 (down from $3000 and now I know why) with trailer. The seller had the drive to port already so I could see the bellows and they looked good on the starboard side, no cracking etc. I knew it needed a new prop, full tank of fuel...
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    Online parts supplier recommendations

    I 2nd Leaders RPM, just got a new prop from them, free shipping (over the minimum) and got it in 2 days. They were helpful over the phone as well.
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    Too big a battery harmful?

    Like most have already said, the size or capacity of the battery is not a concern, the voltage is. Just don't wire them in series.
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    This Doesn't Look Right, 4.3 MCM Alpha 1 Gen 1

    Sept Last year I bought an 88 Sea Ray Seville Bowrider for cheap. Ran pretty good and drove good in the water. Went to change the oil and saw cracking in fiberglass engine mounts. Started peeling away to find the wood inside is pulp. Long story short I began pulling everything apart so I can...
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    1988 4.3l Alpha 1 Shift Cable & Shift Interrupter Switch issues.

    Looking to see if this is the right operation for my setup. This is my first boat, engine runs great. Prior to taking the video I was having issues with the engine stalling when I would go from FWD/REV to Neutral, and if I went from Neutral to Reverse. I adjusted the barrel on the lower shift...
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