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  1. R

    1971 evinrude 9.5

    The universal magneto is the same on pre 1977 model 6 HP and the 9.5 HP models.
  2. R

    Carb high speed orifice #'s

    Only one way to find.-----Book an appointment / time on a marine dynamometer at your local boat shop.-----Compare power output between the jets.
  3. R

    1978 Mercury Black Max 150 Tilt/Trim Pass Through ?

    Yes the bolts are actually used for the fluid to come through.----Not a problem and not unsafe.
  4. R

    disable auto oiler on 90hp 2000 elpto

    It is debated all the time.----Always a lively discussion.-----I will always say that lubrication / mixing oil with gas is not well understood.-------Smoke coming from a motor leads most folks to believe there is something wrong.----You have to wonder what scientific work determined that one...
  5. R

    disable auto oiler on 90hp 2000 elpto

    With good strong spark the plugs won't foul.----This lubrication in 2 strokes is just not well understood.
  6. R

    Reasons for broken teeth on the gear wheel

    It is up to the operator to select the correct propeller to allow the motor to rev properly.----Power / speed / load seems to be near the top of the list of things that are confusing.
  7. R

    disable auto oiler on 90hp 2000 elpto

    No I would not do that !!------Just put a TEE fitting on the hose that goes from tank to the pump.----I guess I should have explained that better in post #2 above.
  8. R

    Toilet Installation Mishap . . .

    JB weld will work just fine.-----After all modern airplanes are assembled with EPOXY and folks line up to ----" go on them "-----Sorry , could not resist a bit of humor here.
  9. R

    disable auto oiler on 90hp 2000 elpto

    Yes.----Talk to a proper shop for a info on a kit to block off the opening after you pull out the pump.-----No point talking to a 21 year old clerk at AMAZON or the INTERNET.
  10. R

    1984 Mercury Trim Question

    That system was also used on the 4 cylinder 50 and 4 cylinder 80/ 85 models.----Used on the inline 6 cylinder to 150 HP.----Nothing wrong with that system either.
  11. R

    Reasons for broken teeth on the gear wheel

    If motor is running too slow ( not at it's rated RPM ) it will put less load on the gears.----Not good for pistons and rings but no bother to the gears.
  12. R

    Reasons for broken teeth on the gear wheel

    ??----The motor develops the same amount of thrust whether it is pushing a wee boat or a barge !
  13. R

    1984 Mercury Trim Question

    That system was used for a number of years.------Bonus is that the pump / motor is safely out of the elements inside the boat.-----Nothing wrong with this unit.
  14. R

    1989 70 hp evinrude won't crank

    Are you saying the 20 amp fuse is no longer on the motor ?
  15. R

    Reasons for broken teeth on the gear wheel

    Hitting something is bad for gear teeth.------The propeller just moves water and that is the load on the motor.----2 or 5 tons does not matter.-----They just do not make this stuff as strong as they used to , in my opinion.
  16. R

    No water only exhaust out of water hose

    I can not see or hear your motor so here goes.-----Was there a severe overheat on this motor ?----Did you replace the plastic washer at the top of the water tube ?----Power head needs to come off to inspect replace this washer.----Easy job in my opinion.
  17. R

    1989 70 hp evinrude won't crank

    Sorry----12 volts from the battery is NOT needed to make spark.------Spark comes from the magneto if the starter turns the flywheel at 250 RPM.---Or the motor can be started with a rope if battery is completely dead !!!
  18. R

    1986 evinrude 28 spl primer solenoid

    Perhaps you are working on your first motor.----I will step aside now.
  19. R

    1986 evinrude 28 spl primer solenoid

    Sorry I can not see your motor.----Bring it over as I say this is easy to diagnose / fix.----The primer valve get fuel from the pump .----The carburetor bowl get fuel from the pump.---2 separate hoses.
  20. R

    disable auto oiler on 90hp 2000 elpto

    You are getting totally wrong information !!!!---You do not have to take the motor apart to remove the pump !-----And you are correct in plumbing the discharge of the pump to the intake side.--I have suggested this solution more than once--Bonus is that if you sell it it is easy to convert back...
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