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    SPARK PLUG CROSS THREAD

    Many Mercury motors do not use a cylinder head.
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    Value of "Vintage" outboard?

    List it for $600 and see if there is any interest in it.
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    SPARK PLUG CROSS THREAD

    Loosen sparkplugs with a wrench.----Remove by hand.-----Install sparkplugs by hand and snug up with a wrench.-----If you are removing / cleaning sparkplugs each trip , then repair / tune-up the motor !
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    SPARK PLUG CROSS THREAD

    Install a heli-coil.
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    Value of "Vintage" outboard?

    A motor that was built by Johnson / Evinrude.------Fact----Most shops will not work on older motors.----Therefor older motors have little value for the general public.----That is a simple , easy to maintain motor.----Consumable parts are easy to find.----These are often listed at $150 or less.
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    Evinrude XP 150 1990 2 Stroke Not Running!! HELP!!

    Drained and inspected the gear oil ?-----Any water in the gearcase ?
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    '00 Mercury 90hp, oil injection still works, time to replace it with premix or replace worn parts?

    On many of them the plastic gear is on the crankshaft.-----Near total teardown required to replace it.
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    Water in lower unit

    No----There are seals on the driveshaft and prop shaft.----And o-rings on housings.----Pressure test your gearcase to find leaks.-----Or just order a complete seal kit and install it.
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    1975 oday 22

    Good luck with the project.
  10. R

    1975 oday 22

    Just sail the boat and make changes / improvements one at a time.------Or look for a boat that has all the features you want.
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    Suzuki DF60A Throttle body.. Is this fully open when in WOT???

    How did it run for you last season ?---What happened ?
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Post the actual size of the part that broke off.----Is it 0.200" X 0.200" ?------Then drill and tap the carburetor for a proper size screw.-------Drill a hole in the screw for the pin.------Screw can be bent and adjusted to line up the pin hole.-----Nothing to it !
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    1984 force 125 back fire now wont run?

    Backfiring is usually a sign of timing issues.----That is why I suggested an issue with the key.-----I can not see or touch your motor.----Good luck sorting it out.
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    Many carburetor have a U-SHAPED bracket installed for the pin.-----An example of that is found on a 1967 model 9.5 HP Johnson / Evinrude.----That part is listed as NLA but easy to make / install in my opinion !
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    1990 Force 120HP #2 Cyl zero compression and upon opening piston shows damage

    I would repair the broken post on your original carburetor.
  16. R

    1984 force 125 back fire now wont run?

    Check the flywheel key.
  17. R

    1984 force 125 back fire now wont run?

    How did it run for you last season ?-----Checked the flywheel key ?
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    Mercury XR2 150 stuggling to get on plane.

    Take it to a shop with a dynamometer.-----Test power output of the motor.-----That will separate whether it is an issue with the boat or the motor.----That would be a few beer tokens well spent.
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    disable auto oiler on 90hp 2000 elpto

    Easy way is to take pump discharge and tee it into pump oil intake.-----Will just circulate oil.-----And be ready to switch back if you decide to sell the motor.
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    Mercury XR2 150 stuggling to get on plane.

    There is an issue.---Check the reed valves.----Does spark jump a gap of 3/8" on each lead , yes or no ?-------Use a strong flashlight and look into carburetor bores at full throttle.----Compare fuel coming up the main nozzles.-----And the bulb MUST go hard when filling the carburetors.-----Bulb...
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