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  1. R

    1961 9.5 hp

    They made / marketed the 9.5 from 1964 to 1973.----What is your model # for starters ?-----If coils are original they will be cracked and need replacing.---Pull flywheel to inspect.-----Needs a new water pump impeller before your first fishing trip.
  2. R

    Combustion Problem?

    You say your motor looks like new with good spark.-----It must have spark at the right time.----Must have compression.----Must have fuel.-----The carburetors on these motors have tiny passageways.-----Perhaps look at carburetor again.
  3. R

    Overheating alarm

    Sounds like the water diverters if it is a crossflow.----Model # is ???
  4. R

    28spl lower unit swap

    You would have to change out the exhaust housing too.-----Easier to put the 28 powerhead onto a through hub midsection / lower unit.
  5. R

    Combustion Problem?

    But your " like new " motor is not running !----Time for some orderly trouble shooting I say.
  6. R

    25 hp runs on one cylinder

    Easy to switch coils as a test.
  7. R

    Combustion Problem?

    Clean the carburetor.
  8. R

    84 Johnson 40 HP Weak Top End/No Slow Idle

    If key is sheared the timing will be off.----Up to you to do the checks on your motor.
  9. R

    Combustion Problem?

    How did it run for you last season ?-----Or is this a new to you motor ?-----Checked belt timing ?
  10. R

    25 hp runs on one cylinder

    New powerpack is next on your list.
  11. R

    84 Johnson 40 HP Weak Top End/No Slow Idle

    Checked flywheel key ?
  12. R

    1990 Force 120 2 stroke loss of power high rpm

    Could be some dirt floating around in the bowls.-----Could be dirt in a float valve.---=---Simple carburetors and ultra easy to work on.------If you own an older Force motor you simply have to learn these simple procedures or pay the man $100/ hr !
  13. R

    1985 Mercury 85hp (4 cyl) runs great for 20 minutes then boggs down

    Put timing light on plugs.-----Observe the flashing light when motor bogs.------May help you determine if it is ignition related.
  14. R

    Engine Re-power

    Two stroke outboards in good condition start right up.------With the right starting procedure of course.------If you have one with the " crank and hope " syndrome , then the motor needs attention.
  15. R

    84 Johnson 40 HP Weak Top End/No Slow Idle

    The 2 cylinder 40 / 50 HP models never had stickers with 100:1 mix on them.-----That was a short lived concept on the 30 HP and smaller motors around 1986 to 1988 models.
  16. R

    Another Guy With Force 120 Issue

    ??----Why would he say that bottom cylinder will run hotter because ----" it gets fuel first "-----Never heard of that concept !!
  17. R

    84 Johnson 40 HP Weak Top End/No Slow Idle

    You start with a compression test------Followed by a s[ark check.-----Sounds like it is running on one cylinder.
  18. R

    Tried everything, except what's really wrong.

    If spark jumps an 8 mm gap it would rule out ignition issues
  19. R

    PIVOT PIN INSTALLATION

    Bottom half of the gearcase.----Also called the skeg.-----Or lay motor on it's side and see if you can position shifter so you can see the hole.------Did this job many times 50 years ago when I worked at a Johnson dealer !!
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