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  1. R

    Does this gear and clutch dog look ok?

    Did you replace the o-ring that seals the shift rod ??----Often that is overlooked.-----The gearcase is sealed.----No condensation in there !
  2. R

    1996 115 Johnson Ocean Runner V4 Will Not Idle J115SLEDR

    High speed jets are listed as NLA----So you have to search E-bay / make some.----Or find a size close and modify them.---Not hard to come up with a solution, in my opinion.
  3. R

    Unrepairable Boat ?

    You have now discovered one of the issues with " modern " corporations.-----Keeping a supply of repair parts in a warehouse is very expensive.----So they just do not bother anymore..
  4. R

    1996 115 Johnson Ocean Runner V4 Will Not Idle J115SLEDR

    So you threw out the old bowls with the high speed jet ( orifice plug ) stuck in them??----You would not be the first or the last one to make that mistake!
  5. R

    1984 mercury 50 hp lower crankshaft seal

    I say lip AWAY from engine block.---If you still have the old seals you might see which way you removed them.
  6. R

    1984 mercury 50 hp lower crankshaft seal

    ??----Shims are used to get the correct fit of parts.----In this case the end float of the crankshaft.-----If there were none , then maybe they were not needed on this engine block.
  7. R

    1996 115 Johnson Ocean Runner V4 Will Not Idle J115SLEDR

    The tube that runs through middle of carburetor is called the NOZZLE on these.-----#15 is the high speed jet and even the fuel for the low speed mixture must first go through #15 on most carburetors.
  8. R

    1996 115 Johnson Ocean Runner V4 Will Not Idle J115SLEDR

    The high speed orifice plug #15 must be installed for operation of this motor.-----Are you calling the FLOAT VALVE the main jet ?
  9. R

    Blown head gasket / overheat

    Defective temperature switch ?.-----Time to test it.
  10. R

    Evinrude 25202r no spark

    Just 4 screws nearest the crankshaft.-----One in each coil and 2 nearest the crankshaft.-----Those need to be loosened about 6 turns or so.----
  11. R

    72 Mercury 500 No Spark

    ??-----Why not take the bypass cover off to do an inspection?----Easy as can be.----Starboard side of the motor.
  12. R

    9.8 hp Tohatsu smokes on startup

    Year ?---Model # ?----A 2 stroke or 4 stroke ?
  13. R

    72 Mercury 500 No Spark

    Hence the reason for the question in post #26.-----Tried to save you time and aggravation.-----No need to remove that water jacket cover.-----You won't see anything you can not see through the sparkplug hole !-----Remove bypass covers on the side.----A much easier task.
  14. R

    Evinrude 25202r no spark

    Correct.-----I have a bunch ( 40 feet ) of the wire core stuff on hand for my projects.------Boat dealer had it in stock.-----This simple magneto was first installed in about 1950 and was installed till about 1990 on some motors.---Used on 1.5 / 3 / 5.5 /7.5 / 10 / 18 / 20 / 25 / 28 / 30 / 35 /...
  15. R

    Evinrude 25202r no spark

    ???-----Your local boat shop will have a roll of proper wire.---An every day simple item.-----Needs to be 7mm with wire core.------That magneto is elegantly simple to repair / maintain / cheap parts too.----Visit -----leroysramblings-----for all you need to know !
  16. R

    72 Mercury 500 No Spark

    ?---What cover where you trying to remove to inspect pistons ?----A bypass cover or the cover around the sparkplugs?------Only by removing bypass covers on the side of the block can you inspect pistons !
  17. R

    72 Mercury 500 No Spark

    The early 3 cylinder used a less than robust gearcase.----Issues with top cylinder dome cracking.----Flimsy cowling.----Designed in a hurry to compete with popular OMC 3 cylinder motors.
  18. R

    72 Mercury 500 No Spark

    I think 1971 was the last 4 cylinder 65 HP.----Those early 3 cylinder motors were never in the top 10 on the hit parade.
  19. R

    Mystery motor

    Take the cowling off.----Post 3 pictures of engine.----Post pictures of prop / lower unit and midsection.-----Your first 3 pictures mean very little !!
  20. R

    Evinrude 25202r no spark

    Contact surfaces on these breaker points form an oxide.----Even new points need to be cleaned , I use 220 grit wet / dry paper.-----It has been this way for 50 + years for me.----So lap the tapers for proper fit and contact.-----Install flywheel with tapers clean and dry.---Torque nut to 45 FT-LBS.
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