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  1. R

    1978 Johnson 140hp running rough. Need advice

    Well---100 psi is too low.----Remove cylinder head and inspect piston that has 100 PSI in that cylinder.-----Or remove bypass cover.
  2. R

    1978 Johnson 140hp running rough. Need advice

    Step #1 on those engines is a compression test.-----Post actual values here.
  3. R

    85hp Merc?

    Decal were used in 76 /77 model years.
  4. R

    85hp Merc?

    How can you tell by a video that it is idling strong ?----Was it in gear or neutral?-----Get it cheap and be prepared to spend some time and beer tokens on it.----As stated most shops today work on boats that guarantee them a profit.----Owners of older motors can be reluctant to open the wallet...
  5. R

    2012 3.0L TKS runs great with muffs, but slow on lake...

    Sorry----I missed that detail.
  6. R

    Troubles with 8HP

    Just check the flywheel key !----It costs nothing to do that.
  7. R

    2012 3.0L TKS runs great with muffs, but slow on lake...

    ????----If a valve is stuck closed you would see nice compression numbers.-----It is a simple , very simple job to remove valve cover.----Something is wrong with the engine and it should be simple to determine what it is !
  8. R

    2012 3.0L TKS runs great with muffs, but slow on lake...

    Remove valve cover.---Start motor.-----See if all valves are moving.
  9. R

    Troubles with 8HP

    ????----If the flywheel key is missing or sheared the timing will be way off.-----Up to you to do some simple checks.-----Remember no one can see , touch or hear your motor.
  10. R

    Troubles with 8HP

    Starter fluid is just fine.----See posts #7 & 8.----Checked flywheel key ?---Or no idea why that is important ?
  11. R

    2012 3.0L TKS runs great with muffs, but slow on lake...

    On muffs , in gear is still neutral.-----The prop does no " work " ( no load ) spinning in air
  12. R

    Troubles with 8HP

    Checked flywheel key ?
  13. R

    Troubles with 8HP

    See post #14.----Does spark jump a gap of 3/8" , yes or no??-----The safety circuit prevents spark.----If you answer the questions you will only help yourself.------Or hurry and visit a shop to help you !
  14. R

    Troubles with 8HP

    Glowing light spark testers will fool you.----Does spark jump a gap of 3/8" on both leads , yes or no ?----Easy to make a simple tester with some wire , glue and cardboard.
  15. R

    Troubles with 8HP

    With a few drops of fuel in the cylinders the motor should BARK / ROAR like a dog or a lion.----You have no spark , weak spark or spark at the wrong time !!
  16. R

    Troubles with 8HP

    You have no spark , weak spark or spark at the wrong time.
  17. R

    1977 Evinrude 6hp recoil starter assembly

    Those recoils are quite well made.----There are a few differences.-----An assembly from a 65 model to a 79 model will work.----Your location ?----If the recoil is missing / broken it indicates that previous owner had starting issues.-----Trouble shooting is recommended.----Start the motor with...
  18. R

    Troubles with 8HP

    Remove sparkplugs.-----Put 6 drops of gasoline in each cylinder.----Install sparkplugs.-----Try and start the motor.----Report what happens.
  19. R

    Troubles with 8HP

    Check flywheel key.
  20. R

    Troubles with 8HP

    Switch plug wires.
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