Search results

  1. R

    2001 200 Mercury with CDM ignition

    The warning module on the motor is intermittently acting up as sometimes it will not let the motor start. Unplug it and the engine fires right up. I want to just get rid of it but am wondering if I need to do something with the bias circuit wire(black/white on this motor) like you do on the...
  2. R

    2000 25 hp Mercury compression

    Just put two new sleeves and new pistons in this motor and compression is 150 plus on each cylinder. Searching online this shows to be inline with what its supposed to be. My Merc manual did not have this info. My question is how do the small engines run with such high compression and Merc...
  3. R

    2000 25 hp Mercury svc manual

    I need the number for Merc svc manual that covers 2000 25 hp Mercury 2 stroke serial 0T079681. Thanks.
  4. R

    Checking compression on 2000 225 3.0 Mercury

    I know the manual says fully charged battery, throttle plates wide open, and all spark plugs out. What would be the difference if you checked it with one spark plug out and grounded and running 600 rpm at idle? Just wondering. Thanks.
  5. R

    OMC yr model by serial number?

    I believe I have an 89 110 hp crossflow but the welsh plug on the block only has the serial number and not the model number. I do not have the clamp bracket. The serial number is R8257056. Can the year be determined from that? Thanks, Jim
  6. R

    Help with year model of Mariner 25

    I have a 25 hp Mariner motor serial number 0C117945. Can any one tell me what year it is? Thanks, Jim
  7. R

    Serial number help

    25 hp Mariner sn 0C117945. Can anyone tell me what year the motor is? Thanks, Jim
  8. R

    1986 Nissan NS15B will not run above 2500-2700 rpm

    Serial number 62244 15hp Nissan 1986 model. This is on my nephew's 15 ft aluminum Polarcraft flat bottom. It will just get on plane but not build full rpm. Here is a list of things I have checked and tried with no change in problem. ​1. Checked compression and it was 150 on each cylinder. ​2...
Top