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  1. R

    1980 85 hp evinrude starting problems

    Compression results were already posted.-----Scored pistons were found as well.---Throttle does not need to be open for a compression test on this motor.
  2. R

    1980 85 hp evinrude starting problems

    I am not there to judge the condition of the cylinders , pistons and rings.------But any engine is nothing but a simple air pump.-----And a 2 stroke is a 2 stage air pump.----If pistons are not pulling enough air through a carburetor when cranking , the choking action will not work to pull fuel...
  3. R

    2017 115 4 Stroke Mercury outboard

    Will it idle in gear on a moving boat ??
  4. R

    2017 115 4 Stroke Mercury outboard

    Maybe running on it's own exhaust.-----How does it behave with the boat moving ?----Or a fuel line pinched with cover on.
  5. R

    1989 tf1800 150 mariner prop size

    When I read post #1 it clearly says ---1500 rpm-----Visit your local prop shop for help.
  6. R

    1989 tf1800 150 mariner prop size

    If you are only turning 1500 RPM it is not a ----" wrong prop issue "-----Time to do some simple trouble shooting.----Sounds like it is only running on 3 of 6 cylinders !
  7. R

    Evinrude 1975 85 hp electrical starting issue

    Checked the 20 amp fuse ?
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    1989 Johnson 90HP - Is This Block Repairable? (Chipped Ports)

    Should be OK with O/S pistons fitted.------This is a very common issue with these motors.-----Used blocks are not hard to find , depends on your location.
  9. R

    1980 85 hp evinrude starting problems

    Reed valves in these V-4 models rarely fail.------I have never seen a broken one.------I guess more trouble shooting is required on the " hard to start " condition.----Bring it over it should be easy.
  10. R

    1980 85 hp evinrude starting problems

    Need to address the scored cylinders that you observed / reported.-----Perhaps power head or carburetors have been replaced on this motor.
  11. R

    1976 Johnson 25hp

    Use a wee bit of fine valve grinding compound to clean up the tapers ( flywheel and crankshaft ) for a good fit.----Do this before fitting the new key.
  12. R

    1976 Johnson 25hp

    It should lift / pry off using 2 hefty screwdrivers.
  13. R

    1976 Johnson 25hp

    Remove ( lift off ) the cam.----Get a new factory key.----Re-assemble.
  14. R

    1980 85 hp evinrude starting problems

    Some will argue.----Remove bypass covers for inspection of pistons and rings.----No point wasting time and effort if motor needs rebuilding.
  15. R

    New to me '96 Evinrude 200, keep the VRO?

    Well ----if motor is laying on a pallet it is a bit heavy to stand it up.----If pump is on the bottom is might not be easy to check it out.
  16. R

    1980 85 hp evinrude starting problems

    What is the model # of your 1980 ?--85 HP.----I thought those had the electric primer.----If in fact yours does have choke flappers then adjusting the solenoid might help.
  17. R

    1980 85 hp evinrude starting problems

    So with the 4 sparkplugs left in , does the spark jump a gap of 3/8" ( 1 cm ) on a testing device.----I would like to see compression of 120 PSI on those.----But perhaps remove the bypass covers on the cylinders that is showing some scoring.----The trouble shooting has to be done by you.
  18. R

    1980 85 hp evinrude starting problems

    Are you pushing the key in while cranking it over ?----Are you advancing throttle while cranking ?-----And load test your battery.----Inspect starter brushes.
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    Bravo 3 Drive Showers

    Google----Thermax -----Stickers.------Likely others available too.
  20. R

    Bike tires

    I know that sunlight will damage rubber.-----Heat will harden rubber.-----Fluorescent lighting in say a 24 hour warehouse will damage / crack o-rings too.----Radioactivity will harden O-rings / rubber gaskets.
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