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  1. R

    Difference between U.S. & Cdn. capacity plates

    How do airline pilots determine total " passenger load " before roaring away.
  2. R

    ‘91 merc 60hp overheating alarm buzzing

    Wiring short or defective buzzer?
  3. R

    Jeez! What happened to global warming

    Global warming / cooling has always happened oner the ages.-----We now have instruments to measure / record and broadcast the alarm.
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    Decompression valve

    In the 1950's the 35 HP Johnson / Evinrude had decompression activated by the recoil starter.----
  5. R

    Decompression valve

    Decompression is often automatic on the camshaft.------Stops working once engine has started.----Where did you read that a slow pull releases it?
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    Upgrades for 92’ 25hp Johnson to gain some more speed!

    Hole in the 25 HP intake manifold can be opened up.-----Knowing that the motor has a 30 / 35 HP carburetor will automatically make it " feel " so much faster.
  7. R

    Upgrades for 92’ 25hp Johnson to gain some more speed!

    Step #1 is to determine condition of the motor.----Find a shop that can run it with a test wheel / prop.-----Or find a 30 ( prop rated ) or older 35 HP carburetor.
  8. R

    2018 Yamaha 40 HP, Poor top Speed

    Start motor.----Set at idle.-----Remove 1 plug wire at a time.----Post results of this test.
  9. R

    2018 Yamaha 40 HP, Poor top Speed

    On a 4 stroke the 180 PSI might be normal.
  10. R

    1994 Evinrude 50 HP Not Charging

    Find a wiring diagram online.----mastertech marine.-----Early 1990's V-4.----Wiring is the same / nearly the same as your 50 HP.
  11. R

    1994 Evinrude 50 HP Not Charging

    The " jumper " connects all the reds togerher.-----One red feeds 12 volts to ignition switch,----One red is 12 volts + to charge the battery.------The third red wire feeds power trim / tilt on this motor.---Usually the little cover for the terminal strip has the wiring explained.
  12. R

    1994 Evinrude 50 HP Not Charging

    The picture in post #1 does NOT show the jumper.----The parts page shows the jumper is needed.
  13. R

    1994 Evinrude 50 HP Not Charging

    There is a wee part missing on the terminal strip !----Item #4------Called terminal strip jumper.-----Simple to me.
  14. R

    1956 Lark +.20 bore - piston ring search

    visit----aomci-----Lots of greyhaired folks that may respond to a " wanted " ad if you post there.
  15. R

    Tilt Pin Replacement for 1987 Johnson 15 HP

    I would machine one out of an old 4 / 5 / 6 HP driveshaft.---No way that I would pay for a new factory part.
  16. R

    2018 Yamaha 40 HP, Poor top Speed

    Running on 2 of 3 cylinders ??-----Should be easy to figure out the total lack of performance.-----Post actual compression values.----Does spark jump a gap of 3/8" on each lead ?
  17. R

    What Is this alarm? Mercury 2001 125hp

    A new impeller every 5 years.
  18. R

    1975 6 HP Johnson Shift rod is bent !!

    I have the tool to remove that bushing.----Or run a tap in there for 3 threads and pull it out.---use 5/16-NC tap.-----Or replace the o-ring without removing the bushing.----Yes it can be done!
  19. R

    What prop to use 50hp evinrude

    I say----The prop attaches to the motor , but FITS the boat.
  20. R

    Why do V8 boat engine have so many cooling system parts ? Compared to a basic V 8 car engine ?

    A marine engine works a lot harder than a a similar engine installed in a car.----Cooling system is not pressurized in most cases.----Exhaust manifolds are water cooled.----Just not the same as an automotive set-up !!
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