Recent content by Jwally

  1. J

    1993 Mercruiser 3.0L Knocking

    My 1993 Mercruiser 3.0L is running really well, but the motor has developed a knocking noise. Oil pressure stays constant at 20-30 psi on the gauge depending on throttle, and I haven't noticed any loss of power. The noise speeds up and is correlated to the amount of throttle applied. Sounds like...
  2. J

    Torsional damper tempval

    I have a 93 mercruiser 3.0 and I'm trying to get the torsional damper off. The center of the damper is tapered in so the center bolt in my kit cannot get through to push on the crank shaft. Does anyone know what bolt or tool I need? Manual says J 6978 E
  3. J

    1993 Mercruiser 3.0L Engine Rattling Noise

    Hey all, I have a 1993 Mercruiser 3.0L where the engine has never given me any major problems. When I first started it up for the season I noticed a noise coming from the water pump bearing, so I replaced the water pump. Now, it is making a rattling noise coming from the belt bearing area which...
  4. J

    Mercruiser 3302-810928

    I bought a new throttle lever assembly for my carb since the old stud broke off the old one. I'm trying to figure out the size of the nut that holds the throttle cable to the stud. It's part No. 3302-810928. I've tried 1/4-20, 10-24, and 10-32. Is it a #12? M5 maybe? Or is it a "special" nut I...
  5. J

    Mercruiser 3.0 only clicks when trying to start

    Hey all, I have a 1993 Mercruiser 3.0L, engine serial number OF012865. When I try to start it, all I get is a click. I followed the directions on the troubleshooting sticky. I am getting 12+ volts between the 2 big terminals at all times (terminals A and C). When I try the small terminal with...
  6. J

    Alpha One Gen II Throttle Only Button Doesn't Work

    I have a 1993 3.0L Mercruiser. The throttle only button is stuck and won't work. I have tried taking it apart and spraying WD40 both through the button plunger and from the backside, where the shift/throttle cables come in. I have also tried taking a small screwdriver and trying to pry the...
  7. J

    Alpha One Gen II Ratcheting in Reverse

    Hey all. I just winterized, replaced the gimbal bearing, and reinstalled my Mercruiser Alpha One Gen II drive. After reinstalling, it sometimes makes a ratcheting sound when shifted to reverse. It seems to be more prevalent when shifting more slowly, as opposed to the short, forceful stroke...
  8. J

    Mercruiser Alpha One 3.0 Fuel Pump to Carb Question

    Hey all. I have a 93 mercruiser 3.0. I am replacing the fuel line which goes from the fuel pump to the carb, and have ran into an issue. This is the replacement line I am trying to use: Fuel Line Hose for Volvo Penta, Mercruiser, OMC Sterndrive/Cobra, Chris Craft, Chrysler Marine, Pleasurecraft...
  9. J

    Mercruiser Alpha One Gen II- No Water Through Exhaust Ports

    Hello Everyone, I have used this forum the past 3 years to assist with maintenance of my boat and it has been extremely helpful. A big thanks to everyone who provides such great insight. Now onto the issue.... 93 Mercruiser Alpha One Gen II Engine Ser. No: 0F012865 Transom Ser. No: 0F051718...
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