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  1. R

    1986 20hp Johnson long shaft low compression

    Remove cylinder head.----Followed by inspection.
  2. R

    Evinrude year

    The 20 HP was still marketed in CANADA up to 76 I believe..----It is as simple as that !!-----Not sure why that is an issue for you.-----Same ignition as the 25 HP models !!
  3. R

    1986 20hp Johnson long shaft low compression

    Remove cylinder head and inspect cylinder walls.-----Or perhaps you need a better gauge.
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    Just rebuilt the LU w new Oem gears,seals. Having trouble reinstalling pinion gear. 1972 Rude 65hp

    The driveshaft has to line up.------Best to remove the oil pump and start over.----And have you selected the correct shims for the pinion ?
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    1999 50hp Johnson only starts at full throttle

    Model # is ?----How did it run for you last season ?-----Need to post compression numbers.-----Does spark jump a gap of 3/8" or more ?-----Check flywheel key.-----Pushing key in and holding it in while cranking it over ?
  6. R

    1995 70HP Force, cranks but wont fire.

    You must install a new water pump impeller.----Test over heat horn ( if equipped ) on this motor.----Mixing gas and oil at 50:1 in your tank ?----Agreed----Do a compression test.---Post the numbers.
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    Oil on choke?

    This is on a 3 cylinder 25 HP 2 stroke.-----A wonderfully rugged and simple machine.
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    1962 Merc 450 restoration ..

    Using a bit of heat ( propane torch ) the bearing will usually fall out on the work bench.
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    1990 force problems

    Sounds horrible to me.-----Stop the revving and hoping.-----Do a compression test.----Post your numbers.----Forget the blinky tester.----Does spark jump a gap of 3/8" on a test device in open air??
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    Evinrude year

    well----if in Canada use---------evinrudeparts.ca-----I believe you will need to believe that the 20 HP is essentially the same as the 25 HP !!!
  11. R

    50HP Evinrude - Coils not grounded

    Looks like there is a ground to me !!!
  12. R

    Evinrude year

    Well-----The 20 HP was marketed in Canada.-----Your local dealer would have the parts listing.----Or use the 25 HP listing for most parts.
  13. R

    Engine Overheated on Evinrude

    Sorry----In 66 the general public understood that you had to change impellers / visit the dealer.-----And yes there is very clear indicator for water pump function.----Many folks today are only able to push a button and wait for engine to start / run for them.
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    Evinrude Big twin 40

    The NOZZLE is not adjustable.-----The high speed jet in the float bowl is not adjustable
  15. R

    45hp Commercial Year?

    Looks like about a 93 model.
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    Evinrude year

    The 22 cubic inch motors were made to 1976 all basically the same save for the later ignitions.
  17. R

    1969 Evinrude 85HP - No spark

    The torque value is listed at 100 / 105 FT-LBS-----I post 102 FT-LBS just to see what comments are received.-----As you must know a torque wrench measures the resistance to turning of the fastener and stretching of the crankshaft..-----Condition of the threads / surfaces makes for the variables.
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    1984 Evinrude 25hp mounting

    Do what you feel you have to do .
  19. R

    1977 35 horse Johnson

    You might run with a timing light to see if there is an ignition miss.-----But first check adjustment at the shift lever.------Side of the lower cowling.----And verify that both upper and lower shift rods are lined up with notches before screws are put in.
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    94 Johnson 115 wet plugs

    Maybe check that thermostats are in place and not stuck open ??---The 94 model V-4 crossflow does not show adjustable low speed mixture needles on the carburetors.----And the oily plugs might be normal with lots of low speed running.
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