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  1. R

    100hp falters

    Outlet of the tank.
  2. R

    100hp falters

    Fuel pump is not doing it's job.
  3. R

    Sustainable Electrical Setups for Older Motors

    Read 6 ohms at first and edited the post.
  4. R

    qd20 10hp wont rev up.

    Does spark jump a gap of 5/16" on both leads , yes or no ?----Post the actual compression test values you have.----Nozzle gasket is in place ?----Checked reed valves ?
  5. R

    Sustainable Electrical Setups for Older Motors

    .6 is good so perhaps a bad rectifier or bad battery.
  6. R

    mercury keeps fading

    Tested the overheat horn ??-----Installed a new impeller when you got the boat ??-----Inspected / cleaned the carburetors ?----If unit sat for years the carburetors could be gummed up.
  7. R

    2.5 HP johnson. Twin cylinder.

    Model # is ?----Is this a 1953 model or a 1993 model ?
  8. R

    1985 Johnson 150 idle surge

    Note ----The battery is not used to make voltage to fire the sparkplugs.----All done by the spinning flywheel and electronic bits.----There are numerous wires and connections that could be faulty.----Causing the intermittent spark.
  9. R

    Engine stopped high end on water

    Sounds like it is running on 2 of 3 cylinders.----Test the spark.------Tested your overheat warning horn ?----Test and post the compression values you have now after this " loss of power " incident .
  10. R

    Sustainable Electrical Setups for Older Motors

    Wrong----It should charge the battery at about 14 / 15 volts just like any other motor.----What reading in ohms do you get on the 2 yellow wires from stator ???
  11. R

    97 25hp 2 stroke fuel issue

    See post #18 ?-----Your answer is ?----I have a 25 Yamaha that I got for a favor for a dealer.----Good looking motor with lower unit missing.----Have not done any work to it yet.
  12. R

    97 25hp 2 stroke fuel issue

    Some simple testing will find the issue.-----But I know from many threads here that folks want to hear about an instant fix.----Reluctant to do the testing.
  13. R

    1957 Johnson Rd-19 35hp questions

    You will get the correct stuff that installs in minutes with no fuss.
  14. R

    1985 Johnson 150 idle surge

    They are electronic goodies.----So yes there can be poor connections / broken wires.----Do you know what a powerpack does ???-----So switch powerpacks and do your testing.-----Nobody can do that for you from 999 miles away !
  15. R

    1957 Johnson Rd-19 35hp questions

    That would be $69.00 in Canadian funds.----A good deal if you ask me.
  16. R

    1985 Johnson 150 idle surge

    Use timing light to see if and where there is a spark issue.----Switch powerpacks and check again.----See if issue stays or moves.
  17. R

    97 25hp 2 stroke fuel issue

    A good Yamaha shop in your area ??
  18. R

    97 25hp 2 stroke fuel issue

    Checked the flywheel key ?-----Open low speed mixture screw 1/4 turn at a time and test run.----Does spark jump a gap of 3/8" on a test device ??
  19. R

    Engine stopped high end on water

    In gear and on muffs is still the same as neutral.----The prop does not need to do any work moving a bit of air !----Does spark jump a gap of 3/8" on each lead ?----Fuel pump diaphragm checked ?----And you can not find a sheared key using a timing light !
  20. R

    Need a CDI for a 1979 to 1983 120HP mercury outboard

    Perhaps a MERCRUISER on this boat.----Post pictures of this " outboard ".-----Once a CD unit is 3 years old it is " used " but will likely operate fine for 20 more years if not molested.
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