Logo
FULL SITE MENU

Search results

  1. M

    1993 4.3 valve adjustment

    I will be replacing a head on a 1993 OMC Cobra 4.3 Model number 432APRJVN The manual that I have states to torque head in 3 steps to 25, 45, 65, and torque valves to 40 ft. Ibs. on 1992-96 V6 engines. so this means no lash adjustment for this engine? does this sound right?
  2. M

    5.7 run ruff ( Ecu )

    So I have a 1998 mercruiser 5.7 that after it sets for a few weeks it runs ruff the only fix it to ground the purple/white wire to put it into base mode start engine then turn engine off unground the purple /white wire then the engine runs perfect for a week so is this the ecu or knock module...
  3. M

    1980 4 cylinder timing and link and sync

    I'm working on a 1980 v4 that some one has turned the idle timing screw all the way in. I assume it was to increase the idle due to a bad switch box killing 2 cylinders. Once I replaced the switch box it's idling at 2100 rpm so I just need to go over and reset everything. Does anyone happen to...
  4. M

    1986 Mercury 35hp no fire issue

    Dealing with a no fire issue on a 1986 mercury 35hp Testing the stator low speed black/yellow to ground I got 3078 ohms Testing the stator high speed black/white to ground i got 134 ohms Testing the stator low speed with DVA black/yellow to ground I got 168 volts...
  5. M

    94 3.0 carb mixture adjustment

    Ok so I've been chasing an idle issue on my 3.0 where it would idle ruff and cut off during docking also after running across the river it would idle at about 1000 rpm in gear but a blip of the throttle would bring the idling back down to 700 in gear but would not idle long before dying. So what...
  6. M

    200 hp trim problems

    I have a 98 200hp that I bought with no trim motor on the pump I bought a new trim motor and pump assembly and the trim goes up and down but when it gets to the trim rods it acts like it's all way down down and sounds like its under alot of pressure... not sure what to check Thanks Mark
  7. M

    3.7 to 4.3 swap

    OK guys I have a 21 foot 1985 citation cuddy cabin with a 3.7 MerCruiser engine that has a cracked block. I also have a donor boat a perfectly good OMC 4.3 Engine the boat is sitting in my garage due to a rotted floor that I have not got around to replacing.... Now I am entertaining the...
Back
Top