Search results

  1. P

    Wont fire on plugs

    Does anyone know on the voltage rating on all the wires? I know the purple wire is 12 volt. But does the white and yellow wire have a resistor in the wire? Wiring diagram doesn’t show any type of grounded wire.
  2. P

    Wont fire on plugs

    Yes its by passed
  3. P

    Wont fire on plugs

    Hello i have been working hard on a 3.0L mercruiser with HEI distributor. Had it running to set valves, installed everything back now no ignition! Purple wire going to coil is 12 volts with key on and cracking. White/ Green wire is 12 volts to distributor. Distributor is ground to engine good...
  4. P

    200 verado won’t run above 4500 RPM

    Thanks for the help. I’ll try that
  5. P

    200 verado won’t run above 4500 RPM

    Yes the throttle is electric but it’s within specs with the potentiometer to lever to engine. Yes Guardian is 0 says it’s never gone into guardian mode. Thanks
  6. P

    200 verado won’t run above 4500 RPM

    Working on a 200 mercury verado . We did a complete rebuild of the pontoon removed helm. But it all back together and engine revs to 4500. Same prop. Put diagnostic computer on engine no history codes. No active codes. It’s an electric throttle and shift controller on helm. I have looked the...
  7. P

    Engine dies under a load

    EVINRUDE OEM LOW COMPRESSION CYL HEAD KIT, 149 CU. IN. ON LY | 0389489 Part #: 0389489 Plus you could get carb intake throats at a time. This motor has both on it!!!
  8. P

    Engine dies under a load

    Nothing made like it use to be.
  9. P

    Engine dies under a load

    And why’s that?
  10. P

    Engine dies under a load

    Oh and the book specs reason I found it saying in spec because this sn# has low compression throttle bodies on it. You can install on some other sn# has well. Just FYI
  11. P

    Engine dies under a load

    Bets me. I used two different gauges on test read the same. Pull heads off looked ok By any means it’s not new no more.
  12. P

    Engine dies under a load

    Update on engine. Running great runs 68 mph . FYI none of the info on here was the problem. New primer bulb and hose assembly was bad. The plastic inside the hose was restricted hose Thanks for the advice Glad I didn’t call motor junk!
  13. P

    Engine dies under a load

    Might be compression? We ran it until good and warm compression dropped to 65 all cylinders
  14. P

    Engine dies under a load

  15. P

    Engine dies under a load

    I check on this year model it says it’s within specs on compression
  16. P

    Engine dies under a load

    Carbs are rebuilt
  17. P

    Engine dies under a load

    Could it be a coil pack or stationery?
  18. P

    Engine dies under a load

    No has been setting for years. I don’t know any history on the boat. We changed gas again with different oil mix. . Still the same. It runs very well with no load on it. Soon as you put it into gear and prop engaged it dies I pulled lower unit off and checked it out and all seems good
  19. P

    Engine dies under a load

    I’m sorry just really frustrating
  20. P

    Engine dies under a load

    72 in specs with Johnson the year model
Top