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  1. R

    2014 Yamaha 115hp not enough amps to start motor

    Sure 12 volts is used for the starter motor.-----Most outboards today use an ignition system run by a magneto.----For example Johnson / Evinrude put an electronic magneto on the 1971 model 50 HP.----Battery was used to crank it over.-----And 12 volts was not used to make spark for plugs.
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    WATER PUMP LINER

    Pieces of piston stopped it from turning I guess.-----Time to take it apart.-----Determine the cause or it will blow up again.-----That is caused by detonation / running lean.-----Perhaps shop for another motor !!
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    Flywheel And Starter Jamming Up

    It is cast iron.-----Flywheel needs to be replaced !!!----This issue did not exist on flywheels before this fiasco started in 1991.----I work alone and have seen a number of these.----So I know there have been many failures.----Maybe I will come up with a proper repair / rework on these.-----It...
  4. R

    Yamaha 9.9 4t lower unit

    4 stroke engine = 4-takt-motor -----One German version
  5. R

    Yamaha 9.9 4t lower unit

    A 2 stroke = zweitakt
  6. R

    Yamaha 9.9 4t lower unit

    Everyday talk in Europe is different when referring to number of strokes of the engine.
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    What's the difference between QL77JC4 and the QL82C

    Spark plugs change with fuel burn characteristics.----Fuel is now different than what I remember.----Does not smell the same as it did in 1968
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    Fuel pumps

    I have more than one of these V-4 blocks kicking around.-----Yes the fuel manifold and hoses need some re-arranging.-----And the electric primer is a VALVE it is not a pump.-------Good luck with it.
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    1966 Johnson 20hp questions

    Step # 1 is to pull the flywheel.------The magneto needs attention.-----Both coils are likely cracked.-----Recoil needs repair.------Choke should work both ways.----Solenoid , battery and a switch would do the trick.
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    Yamaha 9.9 4t lower unit

    Nope----European terminology might be different !
  11. R

    Flywheel And Starter Jamming Up

    Typical damage !!----I have seen that before.------You need to replace the flywheel.-----Was not available new few years ago.-----Appears to be available now for $400 US or so.----At least it is now listed on ----evinrudeparts.ca ----at $500 in Canadian funds.-----Or search on E-BAY.
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    What's the difference between QL77JC4 and the QL82C

    The modern ignition systems are very capable / very reliable.-----After all they develop up to 40,000 volts.----Plug gap does not bother the coils in any way.
  13. R

    Yamaha 9.9 4t lower unit

    I would guess 4 stroke.----Poster is likely in Europe.
  14. R

    Fuel pumps

    A new manifold will not be different from what you have !!!!!------I am not sure what you are doing / attempting here.----You do not need a new manifold.------Why make it difficult !!!
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    Flywheel And Starter Jamming Up

    Those newer flywheels are cast iron.-----Every time the pinion hits them a wee bit of damage is done.-----They never had this issue with older flywheels that had a steel ring gear on them.----Any pictures of the damage in the 3 areas where motor typically stops ?
  16. R

    Fuel pumps

    The spot to mount the regular , simple pump is already there on your motor !!
  17. R

    2005 115 Johnson PLSOR fffffffffrustration... (still dies off idle)

    Sorry----Best to visit your local BRP experienced shop.
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    Help 1981 Johnson 25 surging

    Smooth surging is usually a leak in fuel lines.-----fuel pump pulling air instead of fuel------Use a 1 gallon paint can or similar with the hose stuck in for test running.
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    2005 115 Johnson PLSOR fffffffffrustration... (still dies off idle)

    Something called ------idle timing------It is the point where throttle plates open.-----About 50 years ago I checked tuned a Johnson 28 HP 1963 model.-----Had it running perfect in shop tank.------Then on the weekend I visited the local launch ramp.-----Saw this same motor with hood...
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    2005 115 Johnson PLSOR fffffffffrustration... (still dies off idle)

    Perhaps it is just as simple as throttle plates opening too early.-----That stops most 2 strokes the way yours is acting.
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