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  1. R

    Mercruser 470/ 170 compatible parts

    Engine was Mercruiser effort.----Aluminum block.----Closed cooling.----I heard that Mercury was afraid that supply of automotive blocks was at risk.
  2. R

    1994 112 johnson special, blown cylinder? What now?

    I think there have been about 124,953 motors with this typical failure !!
  3. R

    Mercruser 470/ 170 compatible parts

    Make sure you install a " marine " fuel pump.----Or make a parachute part of your safety kit.
  4. R

    2005 Yamaha 150HP water pump drive shaft leaking.

    No----He left muffs on the lower unit to find the leakage.----But I do not believe there are any issues with this simple water pump and the theory of operation !
  5. R

    1994 112 johnson special, blown cylinder? What now?

    The head needs to come off.----There is no magic to this.----Motor needs 4 new O/S pistons / rings.
  6. R

    2005 Yamaha 150HP water pump drive shaft leaking.

    Water comes out the drain holes when motor is running on muffs.
  7. R

    1994 112 johnson special, blown cylinder? What now?

    Damage to top of piston and the cylinder head.----Much easier to take the head off.----Motor is no good the way it is now.----So might as well take the head off.---Just 10 bolts and so easy !
  8. R

    Johnson 65Hp 73 and 72

    ??---Simple----Just take a look at the 72 model and see if you can attach / fit the shifting parts from the 73 model on the 72 model.----This should be simple for you !
  9. R

    1990 Bayliner Trophy with twin Force 120s need advice on prop sizes

    Changing to a lower pitch prop because of low power output of the motor is so wrong !
  10. R

    1960 Evinrude 10 hp Shift Issue

    I have the factory tool ( X3 ) to remove the bushing,.----That big shift rod o-ring can be replaced without removing the bushing.----Yes , I Have done that just to see if it can be done.
  11. R

    Johnson 65Hp 73 and 72

    Look into the shift linkage swap from the 73 to the 72 block.
  12. R

    2005 Yamaha 150HP water pump drive shaft leaking.

    Post #1 says he removed lower unit again.====And yes, water comes out of drain holes when running on muffs.
  13. R

    Lower unit

    What lengths do you find and what source??----And how are you measuring it ?
  14. R

    Johnson 65Hp 73 and 72

    Issue might be the shift linkages !----Can look at a 72 model and 73 model later today.
  15. R

    Idle issues

    What is the status of item #35 , part of low speed circuit.----I do not see compression values posted here.
  16. R

    35 hp 1976 Johnson rough idle to no start

    Perhaps blocked the vent hole.----That allows atmospheric pressure on fuel in the carburetor bowl.
  17. R

    2001 yamaha 70 hp won't lock all the way into foward gear

    In forward , does it lock one way and ratchets the other way ?----Sounds normal to me.
  18. R

    2001 yamaha 70 hp won't lock all the way into foward gear

    Sounds normal to me.-----How does it work out on the lake ?
  19. R

    Wires and Caps

    The magneto on these was first used in about 1950 and still installed on small 1990 models.----Used on 1.5 / 2 / 3 / 4 / 5 / 5.5 / 6 / 7.5 / 10 / 18 / 20 / 25 / 30 / 33 / 40 hp motors.----A simple reliable unit.----Points MUST open at the correct time to get maximum spark.----If coils are not...
  20. R

    1972 evinrude 25hp sparkplugs

    I tested condensers on a MERC-O-TRONIC magneto analyzer.-----I warmed them up before testing.
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