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  1. R

    1965 3.9hp plug fouls

    I know what the cowling of 1965 model Mercury looks like.-----Good luck with your motor.
  2. R

    1965 3.9hp plug fouls

    The 1965 model never had a module / stator assembly under the flywheel.----The L78V was never specified for the 1965 model 3.9 Mercury.---Never !
  3. R

    Force 125 outboard

    Well----You need to view some videos on U-tube to learn these basics.----Or find a boat shop willing to work on it and find that information for you.----They are usually $100+ / hr.----Then again it may be as simple as a sheared flywheel key.----Or fine tuning of the low speed mixture screws on...
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    Replacement Model and serial number plate

    Sticker would have been on the swivel bracket.----Not easy to swap out.
  5. R

    1965 3.9hp plug fouls

    The decals / cowling is clearly a 1965 model to me!----Some will argue---But I would pull the flywheel.----Replace condenser.-----Clean and set breaker points.----Great little motor and should run like a top all day long.----You have installed a new water pump impeller I hope.
  6. R

    Force 125 outboard

    Did you install a new water pump impeller when you got it ?-----Did you test the overheat warning horn ?----Mixing gas and oil at 50:1 in the tank?-----It stalls because it is not producing proper power.----Post the actual compression test values here.----And does spark jump a gap of at least...
  7. R

    1965 3.9hp plug fouls

    +++ on the above.----That looks more correct for a 1965 model !
  8. R

    1965 3.9hp plug fouls

    The cowling clearly appears to be a 1965 to me!----The ignition system on your motor is totally different from what is in the listing per post #19
  9. R

    1965 3.9hp plug fouls

    Any pictures of your motor.------Cowling and with cowling off ?----Somehow I think that the parts listing is wrong for a 1965 model 3.9 HP
  10. R

    1965 3.9hp plug fouls

    What is the serial # of your motor ?----Is your motor a 1965 model ?
  11. R

    1965 3.9hp plug fouls

    Where did you find the listing for the L78V for this 1965 motor ?
  12. R

    Replacement Model and serial number plate

    Your local decal shop could likely make a good looking copy.
  13. R

    1965 3.9hp plug fouls

    Remove bypass cover on intake side of the block.----Have a look at piston / rings.
  14. R

    1965 3.9hp plug fouls

    Have breaker points been cleaned and adjusted ?---Condenser replaced ?----Does spark jump a gap of at least 1/4" , yes or no ?
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    Replacement Model and serial number plate

    Most motors up to the mid 1980's had a metal plate riveted on the midsection-----Then they were allowed to use plastic stickers that faded or were destroyed with cleaning.---Should never have been allowed.----Especially in areas where outboards have a title to them.
  16. R

    1990 Evinrude 150hp v6

    ??---See post #7 ----The kits are universal and not all the parts are needed to do a proper job.----Time for you to find a trustworthy shop !
  17. R

    1990 Evinrude 150hp v6

    Carburetor kits were the same year after year.----Same for crossflow V-4 and V-6.-----Most good b9at shops would have them in stock.
  18. R

    1990 Evinrude 150hp v6

    Chinese junk I think !
  19. R

    Backwards impeller

    It should be correct as is.
  20. R

    1966 Johnson 9.5hp (MQ-12A)

    Many of the consumable parts are available and in stock in many places.-----Ignition parts were installed on Johnson / Evinrude from 1950 to 1990.-----Lots of places have used parts for these 9.5 models marketed from 64 to 73.----A light weight (60 lb ) smooth running motor.-----Check thermostat...
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