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Type: Posts; User: fastjeff

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  1. Replies
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    Re: Replace Engine Coupler

    Are you certain the prop hub is not slipping?

    Jeff
  2. Re: 84 Mercury 75HP OB Bogging/dies under load

    That's good compression. I suggest timing it with a light. Remove the top carb's cam lever so you can hold it wide open (3,000 revs) and set the timing accurately.

    Also, check to see if both...
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    Re: Metal behind prop shaft seal

    It MIGHT have been one of those after market fishing line cutters.

    Jeff
  4. Re: Engine issue HELP please. 45hp mercury classic 50

    Try adding a 1/2 turn OUT on the idle mixture screws.

    We see this all the time: the idle settings tend to lean out over time and, since these carbs lack an accelerator pump, they bog out when...
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    Re: fuel pump check valves 1974 1150

    The check valves only go in one way.

    Jeff
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    Re: Lower end cleanout

    Sure.

    Jeff
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    Re: Merc 110 9.8 recoil starter issue

    Tough job. You'll need to consult a manual.

    Jeff
  8. Re: Looking for boat Mechanic around Auburn GA 30011

    Good luck!


    Jeff
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    Re: compression reading

    Consistency from cylinder to cylinder is more important since different gauges can give far different readings. For example, if two cylinders side by side are down 20 pounds, there's a break in the...
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    Re: 7.4 MPI 454 Block swap

    Your motor may have a cracked block. Remove the intake manifold and take a look for they usually crack just below it.

    Good luck.

    Jeff

    PS: Your English is better than some of the clowns in...
  11. Re: Hydrolocked my 4.3 Merc. Now it won't accelerate

    Still a good idea, though.

    Jeff
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    Re: Hotter spark plugs for 9.9 4-stroke?

    A hotter plug will help, just don't run it wide open with them in there.

    Jeff
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    Re: merc xr6 ignition

    Pull the plugs, ground the plug wires, and crank it over. Measure the DVA amps (DC) on the red and blue wires coming from the stator, then report back. (You do not have to remove the red and blue...
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    Looking for a wiring diagram

    2002 Merc single cylinder 5 hp. (American made--not that Belgium thing).

    Anyone know where I can locate a wiring diagram for this? It's a friend's motor and I don't want to buy a manual for it.
    ...
  15. Re: Alpha 1, Gen1, propeller oil seal replacement

    I did mine with a couple of self-tapping sheet metal screws. Center punch a dimple 180 degrees apart, drive the screws in with a drill motor, and gently pry the seal out, a bit on one side, then the...
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    Re: Mercruiser 3.0 Thumping in exhaust

    Sounds like a broken piston. Do a compression test.

    Jeff
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    Re: 3.0 performance upgrade

    Do yourself a HUGE favor: live with it as is. If you gotta own a muscle boat, sell yours and buy one. Seriously.

    Jeff
  18. Thread: HELP a NUBIE

    by fastjeff
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    Re: HELP a NUBIE

    Might need a new impeller in the lower unit.

    Jeff
  19. Re: Merc 110 &.5 HP two cylinder vs 1 cylinder

    Yeah. We always went the other way, slapping 7.5 hp decals on a 10 (or higher) motor.

    Jeff
  20. Re: 1985 50hp wma3 carb main jet change... 057..to .098 economizer ???

    That supposedly monitors the amount of air going into the fuel bowl. I've left them out and saw no difference in performance.

    See if the idle improves after disconnecting the fuel tank. If so,...
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