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  1. R

    Black scuff marks on cylinder walls

    Correct---fit 5.5 and 6 hp 1960 to 79.----Wonderfull / simple / easy / cheap to maintain motors they are.
  2. R

    Black scuff marks on cylinder walls

    Just ordered 4 SIERRA head gaskets for the 6 HP.----Far cheaper compared to factory and never an issue with them.
  3. R

    1977 Evinrude 15hp pull start

    ???----Holes in small OMC flywheels have been 1/4-20 NC threads since 1950 !
  4. R

    RD-25D 40 HP reconditioning

    Use 7 mm wire core only !
  5. R

    1972 Johnson 25hp tiller

    ??---You said it does it with the flywheel off the motor ?
  6. R

    Black scuff marks on cylinder walls

    342513 ?
  7. R

    Temp control/sensor

    Used to sound an alarm if motor should overheat.----Custom installation.-----Best to install a new impeller every 5 years.
  8. R

    Black scuff marks on cylinder walls

    I would never install an aftermarket ( paper thin ) gasket for this V-4 / V-6 application.
  9. R

    Engine model number

    Bin working on outboards since 1968 or so.-----But , find a gray haired / caring mechanic in your area to help you with this.----Not many of those guys left I think.
  10. R

    1990 Force outboard lower drive issue question

    Remove sparkplugs.----Rig up a way to measure torque to turn flywheel.-----Record results.-----Remove lower unit and repeat the test.
  11. R

    Engine model number

    Sorry----This may be a motor assemble from many sources.----I can offer no further help on it.
  12. R

    1972 Johnson 25hp tiller

    Is the felt wiper too tight ----Remove the breaker cam and test again.
  13. R

    1972 Johnson 25hp tiller

    Did you have the armature plate off?----Have never experienced that over many years / motors !----Side note.---Those U-shaped clips are not installed correctly on breaker points.
  14. R

    1972 Johnson 25hp tiller

    Perhaps one of the coils is rubbing on the flywheel.---Remember we can not see your motor.
  15. R

    Engine model number

    A 1988 to 94 model.
  16. R

    RD-25D 40 HP reconditioning

    Don't spend any $$$ until you have determined the actual condition of the motor.
  17. R

    1977 Evinrude 15hp pull start

    With the right tools the flywheel is off in minutes.-----You have to do it or pay $100 / hr for a shop to help you.
  18. R

    1990 Force outboard lower drive issue question

    If a motor is in good condition it idles SMOOTH.----When put in gear it will drop about 150 / 200 RPM and idle smooth all day long.----If it stalls a lot something is wrong.----Simple trouble shooting will find the issues.
  19. R

    Skinny water day.

    I can see the vet bills $$$$ if boat came to a sudden stop.
  20. R

    Some Play In Lower End Propeller Shaft Mercruiser A1G1 140hp

    How does it feel when you pull UP on the shaft ?
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