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  1. jimmbo

    Prop Locking Question (Reverse Locking Cam?)

    The Clutch Dog is pushed towards Neutral-Forward by a Spring inside the Propshaft. Did you have the Gearcase off Prior to this no shifting issue?
  2. jimmbo

    Mercury 50 hp, no power at prop, engine runs fine.

    The serial # wasn't valid on the Mercury Site. If the Linkage is moving but the Shaft isn't going up and down, then it sounds like the Linkage is damaged/disconnected
  3. jimmbo

    Prop Locking Question (Reverse Locking Cam?)

    When the Gear Case is in Reverse, the Clutch Dog Teeth are in a Channel, and the Propshaft has many Degrees of Arc, before the Teeth contact the ends of the Channel and stop. Forward Gear is a different Design, that has Ramps and allows full rotation in one direction, making the Clacking sound.
  4. jimmbo

    Mercury 50 hp, no power at prop, engine runs fine.

    If the shaft isn't moving up/down, is the linkage between it and the Shift Cable moving, when the Control is shifted from Neutral to Forward or Reverse? Is the Cable moving?
  5. jimmbo

    Mercury 50 hp, no power at prop, engine runs fine.

    Still need the Serial # As for the Prop and Hub looking Fine.... Is it a Rubber Hub Prop, or is it one of the Insert Hubs?
  6. jimmbo

    Broken Skeg

    In the End, I doubt the Insurance Company is going to spring for a New Gearcase, if only the Skeg is damaged.
  7. jimmbo

    NO SPARK 1988 mercury 100HP outboard Sea Ray seville

    Ken Cook, or Evil-Bay
  8. jimmbo

    Mercury 50 hp, no power at prop, engine runs fine.

    Check the Prop Hub First.
  9. jimmbo

    Everything done but low rpm at WOT. Distributor spring?

    When you have the Distributor Cap off, grab hold of the rotor, and see if it can be rotated a bit, then spring back. I don't know which direction on a Ford so try both ways. If it moves then springs back, then the Advance should be working, either or not is advancing at the correct rate isn't...
  10. jimmbo

    Everything done but low rpm at WOT. Distributor spring?

    BBF: Big Block Ford, I would guess.
  11. jimmbo

    Prop Locking Question (Reverse Locking Cam?)

    It will only turn a bit more before is locks again in Reverse. The Linkage is just backing off of the Pin/Shaft that is connected to the Clutch Dog.
  12. jimmbo

    Everything done but low rpm at WOT. Distributor spring?

    Likely none
  13. jimmbo

    1976 Mercury 850 85 hp with power trim - won't go down

    That was how it was Designed. To lower the engine, you pretty much have to open the Hoses to the Rams. I suspect the Engineers figured if you had to raise the Motor by hand, there was something wrong and the Unit would need to be serviced. In the 70s the Oil Specified was SAE 20
  14. jimmbo

    Broken Skeg

    Replacing the Housing, and using the Old Internals, will likely require a complete reshimming of the Gears. Makes sure the Propshaft didn't get bent, quite likely to happen when a SS Prop is installed.
  15. jimmbo

    Prop Locking Question (Reverse Locking Cam?)

    Just move the Linkage to Neutral, the Clutch Dog is attached to a Spring Loaded Shaft that will push it out of Reverse
  16. jimmbo

    1972 Mercury 402 - r/r water pump impeller shredded

    Or you can pull the Water Jacket Cover off the Block and take a look
  17. jimmbo

    Mercury 50 hp, no power at prop, engine runs fine.

    A Merc doesn't have a Shear Pin to shear, as it has a Splined Propshaft and Prop Hub. It might have a Prop that has a Sacrificial Hub, and it has shattered. Or it could have a Prop with a Sheared Rubber Hub. Take the Prop off and look
  18. jimmbo

    High compression in 1 cylinder - 7.4 carb

    I don't think it is Cam Lobe Issue. Lightening the Pics does show some Goop on the Head, Exhaust Valve area is drier, likely cause it is hotter. Pull the Head, and pull the Intake Valve out, likely a bad/missing Valve Seal
  19. jimmbo

    18 horsepower 1969 evinrude

    Was this motor used in Salt Water, very muddy Water, prop churning the bottom?
  20. jimmbo

    18 horsepower 1969 evinrude

    160 is still too hot
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