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  1. R

    Lower unit reassembly

    0326361
  2. R

    25HP Idles Low in Neutral

    That screw in the picture has to do with the lock for the starter.----Recoil should only work with motor in neutral.-----Do not adjust anything on this motor if you are NOT sure of it or the results !!!
  3. R

    Lower unit reassembly

    ??---He would know about newer bushings that have a o-ring groove to help keep it in place.
  4. R

    Lower unit reassembly

    The o-ring inside can be replaced in 3 ways without damage to housing.----Pull bushing out after running a 5/16-NC tap in for 3 threads.-----Using the factory tool to drive it out ( I have 4 of them )----Or believe it or not you can remove / replace o-ring without removing the bushing.----And...
  5. R

    25 horse 74167

    There is a groove in the housing.----There is a bevel on the factory circlip.----Ring only fits one way.----This is simpler than you are making it.
  6. R

    Lower unit reassembly

    I try to point out that some of thee older motor really well built , easy to to troubleshoot and repair.----Some folks simply do not understand.----What is your opinion on the design of Mercury lower unit , with special tools required ?
  7. R

    Lower unit reassembly

    Nothing wrong with shift shaft design either.
  8. R

    Lower unit reassembly

    So you have a 60 year old motor.-----Ready to go for another 60 years.----But you say it is a crappy design ????
  9. R

    Big water leak inside cowl, any tips for this coming repair?

    Replace the gaskets.----Fix the leak.------If leakage gets worse and water enter the carburetor it could scrap your fine engine.
  10. R

    25 horse 74167

    What is a " cluster " on this lower unit ?----That snap ring only fits one way.-----Proceed with great care !!
  11. R

    what do you see wrong with this picture?

    Looks like there is a lot of rotten wood in this boat.-----Look thing over carefully !!!
  12. R

    25 horse 74167

    No, NO----It was clearly stated at the back where the ball bearing is !!
  13. R

    25 horse 74167

    There is a groove near the ball earing at the back of the housing.-----NOTE---this ring has a tapered surface and only goes in one way.
  14. R

    7.5 Merc. Cooling system issues? What is this tube?

    A few years did use thermostats.----Found at the top of exhaust cover.----A spring thingy on the thermostat cover.---Was for easy maintenance and inspection.
  15. R

    Mercury 20 hp 1977?

    Where in Ontario?
  16. R

    Mercury 20 hp 1977?

    Repair / adjust the choke mechanism.
  17. R

    Trim sender #585174 NLA and no supersession?

    If in Canada------evinrudeparts.ca-----Might help.
  18. R

    1996 Johnson 50. Not starting, backfiring only. Primer issue

    Hurry to a shop.------Post an update once motor is fixed.
  19. R

    84 Evinrude 150xp piston ring gap.

    Are you taking the engine apart ?
  20. R

    1996 25 HP 3 cylinder

    The mixing unit is under the oil tank.---Fuel is pumped through the unit and oil is added as fuel moves through it.---There is no dedicated oil pump.
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