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  1. J

    Pleasurecraft 351

    Bought a 1992 Supra with a PCM 351W and PCM1.23:1 tranny in it cheap. Runs rough. Think the Plug wires are on wrong... What is the correct firing order for this animal? I am not sure what rotation the motor is.
  2. J

    mercruiser 140 with issues

    84 Mercruiser 140... Starts, idles, and will run perfectly fine for about 30 minutes, full throttle or part throttle, but then will start cutting out an back down to about 3500rpm, and continue to get worse till it won't run over 2000rpm. Will run fine up to 2000 rpm, anything more it just wont...
  3. J

    Miss, Bog, and dead in the water again...

    MCM 140, new plugs, wires, points, condensor, coil, filters and water canister filter, dwell at 32.5, timing at 6 BTDC, three weeks ago. Carb rebuilt by boat shop and reinstalled at the same time as fuel pump filter, water filter, new fuel line; a month and a half or so ago. Also checked vent...
  4. J

    07 50 ELPTO Raw Water Pump Impeller

    Serial Number 1B488368. trying to find a impeller kit. Ive pulled the lower unit, it has a metal upper housing. Best I can tell Water Pump Impeller - Sierra - iboats seems to be the impeller I need. But I can not find the gaskets for the pump housing. Should I just put a new impeller in and...
  5. J

    Need Correct Fuel Filter

    3.0L Mercruiser, Mercarb. Fresh premium fuel w/ heat added on top of 5 gal tops of old fuel from last year. Previously, she started missing about 30-45 minutes of run time. With the fresh fuel added, she ran better but started missing after 2 or so hours. Only misses under load. Starts fine...
  6. J

    Miss/Pinging

    Picked up a 1984, 199 Bowrider, 3.0l Mercruiser, outdrive is mercruiser also, has 3.0L on it. Do not have the engine or outdrive serials. Boat and floor is in really good shape. Almost new looking inside. Heres the problem, it pings at idle and when underway. The miss started after about 20...
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