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  1. R

    Lower unit shift rod wont screw back in

    A 1976 model is NOT an RD model !!
  2. R

    Lower unit shift rod wont screw back in

    Other folks will come along with suggestions.
  3. R

    Lower unit shift rod wont screw back in

    Picture #3 is not for a 76 model.
  4. R

    what is it with spark plug $$$$

    Truck I drive now has no sparkplugs ( Cummins )--------But that does not mean a continuous saving.-----Some other super expensive repairs will show up.
  5. R

    what is it with spark plug $$$$

    I used to change plugs on a 350 small block.----Took one look at the 5.7 Hemi and said----" frustration factor is not worth it "----$275 CA later and on the road again.
  6. R

    Gear lube

    These 6 HP motors are really well built.-----Have taken many of them apart.----Crankshaft bushings in the block , piston rings and needle bearings on the rods rarely show any signs of wear.-----Water on the needle bearing is what destroys these motors.
  7. R

    Just purchased a 93 astro 17-B carries a 115 Mercury

    The little knock is a concern.-----But it is your motor and you can run it till it comes to a ---" dynamic halt "----I suppose.-----Not sure why all these big $$$ electronic parts were replaced.----Maybe remove exhaust covers and inspect pistons / rings / rod bearing play.----Gaskets are cheap.
  8. R

    Just purchased a 93 astro 17-B carries a 115 Mercury

    The knock is a huge concern.----Start with a compression test.--Post the actual values here.-----Is oil injection in service ?----Overheat horn tested ?----You must install a new water pump impeller before your first expedition.
  9. R

    1994 MERCURY KNOCK NOISE

    Remove exhaust covers on side of engine.----Inspect pistons and rings.----How was this motor operated?-----What type of boat?----Oil injection in service?----Oil injection tested.----Oil injection pump still turning ?----Accurate compression test results should be posted.-----Overheat warning...
  10. R

    1994 MERCURY KNOCK NOISE

    A 2 HP or 250 HP ??
  11. R

    Gear lube

    Many of these 6 HP motor built in the 1970's will outlast the modern motors.
  12. R

    Gear lube

    A very good precisely built gearcase.-----But these gearcases suffer from the fact that the driveshaft is used as a bearing surface.-----And since 1966 it has not been big enuff ( 0.432 ) in diameter.----The 54 to 65 cases had a shaft above the pinion that was 0.550" in diameter.
  13. R

    Gear lube

    Use OMC / BRP product ----HI-VIS----Model # of your motor is ?----The older 6 HP have a totally different gearcase compared to the newer models.
  14. R

    Crank case leaking on 1990 evinrude 88 spl

    Rare for the crankcases to leak.-----Unless the motor was molested by a wannabe mechanic.-----But maybe the bypass cover gaskets are leaking.----That would be an easy fix.----Post the actual compression test values here.----That will give the information you need.-----And it is a mistake to put...
  15. R

    1981 50 HP 3 cylinder Mercury

    I would say it is a choke plunger.----Be easy if I could see this motor.----But then again maybe your neighbor put that part in there for fun.----Post a picture with tape measure beside it so dimensions become clear.----Pictures more pictures.-----
  16. R

    Crank case leaking on 1990 evinrude 88 spl

    Stop !!-----There are no pistons in the gearcase.-----So step #1 here is to post the actual compression values here.----Pressure test the gearcase to see if it is leaking.----Any water in the gear oil ?-----Gearcase is completely separate from the engine and piston rings have nothing to do with...
  17. R

    Johnson wiring.

    A 1959 ---1969----1979----1989----1999 model?-----Some details / model # and pictures will help you get worthwhile replies.
  18. R

    I have a BF15 HP Honda with a Power Prooblem.

    Maybe the carburetor was not the problem !----Test compression and test spark.-----Check valve clearance.
  19. R

    Can't find parts for my 1973 7.5!

    Piece of pipe and weld some key stock on it.----Or piece of pipe and grinder to leave 2 or 4 lugs.
  20. R

    1996 Evinrude Vindicator 200hp--engine keeps quitting on start-up

    Correct.----You cut those off.----Operation of the primer valve has been explained to you.
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