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    1978 70 hp Johnson throttle problem

    From where I sit it sounds like everything is working as designed.-----Get the manual.----Read it before opening your tool box to work on these simple carburetors !
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    Need help with 1968 1.5 HP Johnson model SC-10S

    It does have timing marks.----You are stubborn and don't want to look for them -----On the magplate and one notch on the flywheel !
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    Yamaha 115 4stroke

    Yes ---Sellers sometimes confuse 4 cylinder with 4 stroke.----Public perception is that 2 strokes are an inferior engine.----And 4 strokes are much easier to sell.----Many buyers have no clue as to how to spot / tell the difference either.
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    Need help with 1968 1.5 HP Johnson model SC-10S

    You set the HIGH speed mixture at full throttle.-----Then slow the motor to idle for setting the low speed mixture.
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    Need help with 1968 1.5 HP Johnson model SC-10S

    You are saying it can't be done ???-----Wait wait.----Get the battery from your riding lawn mower.----Hook up the timing light.-----Observe the flashing of the light .----And you can find the timing mark on the magneto plate as well.-----Should fire between those 2 vertical lines all the...
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    Need help with 1968 1.5 HP Johnson model SC-10S

    Trouble shooting means ---" gathering the facts " ---about the motor.-----The approach of " the neighbor says this " or " it must be this " ----Or making assumptions does not work.
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    Need help with 1968 1.5 HP Johnson model SC-10S

    Some simple trouble shooting should be done.----Run with timing light to determine if it is a---" loss of spark issue"----- or a fuel issue !!
  8. R

    Need help with 1968 1.5 HP Johnson model SC-10S

    There is only 1 cylinder.----There is no primer bulb on this motor !
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    Convert 1993 4 HP to remote tank

    These pumps operate with a PRESSURE pulse.-----Likely can be fitted on a 1920 model Evinrude.----I just installed a needle bearing crankshaft in a 1959 .Evinrude 5.5 HP fitting one of those square pumps is next !----Have a bunch of them and all they can need is a new diaphragm.
  10. R

    Need help with 1968 1.5 HP Johnson model SC-10S

    Looks normal to me.
  11. R

    Convert 1993 4 HP to remote tank

    The little square pump is available all day long !!----Do not limit your search to a 1993 model.-----Used from 1968 to 2005,------3 HP to 25 HP.------Now it may have something to do with mounting hole screw being oriented a different way.----eg--The 1992 model 9.9 uses it.---And the 1973 model...
  12. R

    1978 70 hp Johnson throttle problem

    Really.------The choke flappers are at the front.------Throttle plates are way in the back of the carburetor throat.----Are you saying those do not move ?
  13. R

    1978 70 hp Johnson throttle problem

    Disconnect throttle cable at the motor.-----Will it idle now ?-----How did this motor run for you last season ?----Any pictures of linkages ?
  14. R

    1989 Evinrude 140hp rough idle

    No surprise to me.
  15. R

    1989 Evinrude 140hp rough idle

    Sounds like #2 carburetor is not supplying fuel.-----A carburetor is a simple device that responds to airflow.-----Step # is to have a really good look at the #2 carburetor.-----Top cylinder is #1.------Highest carburetor feeds #1 cylinder.-----Remember that these carburetors " cross over...
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    Timing info 1996 Johnson 130hp

    Maximum timing advance is 18 degrees BTDC.
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    Timing info 1996 Johnson 130hp

    Post compression numbers.----Running with VRO in service or 50:1 mix ?
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    Timing info 1996 Johnson 130hp

    Need to ask.----What is your motor doing / not doing ?-----Timing on these motors does not go out of adjustment.-----If there is an issue what trouble shooting has been done ?
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    Need help with 1968 1.5 HP Johnson model SC-10S

    Those run very well if everything is in order.----Mixture needles mixed up by any chance ?----Low speed needle tip twisted off by any chance ?----Gasket in place on the nozzle ?-----These motors need 4 things to run.------Correct amount of fuel.-----Crankcase compression.----Spark at the right...
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    Should you buy 20 year old boat to fix up or 10 year old boat?

    I know of a doctor that built his own 20' wooden boat.------Could afford ( has a 40' + sailboat ) to buy any new boat on the market.----He spent a small fortune on wood and epoxy.-----Wanted it to say----" I built that myself "------Not enuff people today that are willing or know how to repair...
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