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  1. R

    New to Me 1957 Evinrude Fisherman!

    The broken part is carbon , not metal.
  2. R

    New to Me 1957 Evinrude Fisherman!

    The black part is the seal under the powerhead.----The cup washer is part of the seal assembly.
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    J115PLSOR cylinder bank temp difference

    Whenever I see brown / rubber gaskets it is consider good maintenance by me.
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    remanufactured powerhead break in procedure

    Retorque head bolts after first cool down.
  5. R

    Late 70's to Late 80's - Worth shopping for?

    Interchangeability is magic on some V-4 motors.----I ran a basket case 1962 75 HP with a 1966 100 hp powerhead.----The engine had 1970 model 115HP pistons installed.----Ran over 6000 RPM.----Once passed a boat with an actual 62 75 HP.----At the dock they asked what year my motor was.-----I...
  6. R

    1996 115 Crossflow Milky Plug

    A 20 psi difference here means that head comes off for inspection.-----Did you install 4 NEW pistons ?----New rings on old pistons?----Did you bore 4 cylinders and install O/S pistons / rings?
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    New to Me 1957 Evinrude Fisherman!

    Painting is the last item on the list.
  8. R

    Anyone have a fuel line schematic for a 1985 90hp?

    That would be a 4 cylinder engine.-----Look for a nipple near the center main bearing.
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    Late 70's to Late 80's - Worth shopping for?

    Many parts for the older 2 stroke OMC motors are easier to get / find than many " modern " offshore motors.
  10. R

    1983 Mercury 150 Vibration and Noise

    They all sound good on a hose.----Even running on 4 of 6 cylinders.
  11. R

    1983 Mercury 150 Vibration and Noise

    This motor sounds awful.-----Post the results of a compression test.
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    Late 70's to Late 80's - Worth shopping for?

    I doubt anyone would agree to that.
  13. R

    Johnson won't start

    Your mechanic should know.----Seals are the same for many years.----Have him take it apart and post results of inspection,.
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    Late 70's to Late 80's - Worth shopping for?

    The late 70 / 80's model 3 / 4 cylinder OMC are excellent.----Pick one up for $500 or less to rebuild.----You would no longer worry about $100+ / hr shop support or $10,000 + for a new motor.
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    1994 Johnson 60hp (J60TTLERS) - Rough Idle & Milky Plugs on All 3 Cylinders

    I do not believe the exhaust manifold gasket can leak water into the cylinders.
  16. R

    115 6c TOP piston cylinder issue

    People simply buy new motors.-----Rebuilders are retiring.-----Shops are reluctant to do major repairs.
  17. R

    115 6c TOP piston cylinder issue

    If rings were broken / missing on these O/S bores it needs a new piston.-----I am not sure 0.015" pistons are available at this time.
  18. R

    Mercury oil injection - keep or delete?

    You need to install a new water pump impeller.
  19. R

    850 Wiring

    Forget about the quick disconnect plug.-----Use a terminal board to connect wires from motor to control box,
  20. R

    1986 Mercury 9.8 110 outboard

    Oily walls is a good sign.----Just repair the recoil.-----Take compression test.----Stop overthinking.
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