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  1. R

    Troubleshoot Mercury 90 bogs over 4200 rpm

    Do not run it anymore.-----Clean bottom carburetor first.----Check fuel pump diaphragm.
  2. R

    need some help on base timing on a 2003 mercury 125 2+2 outboard

    Maximum timing advance is most important.-----Timing where throttle plates open is important.-----Where the timing is at smooth idle does NOT matter !-----This motor only runs on top 2 cylinders.----Bottom 2 carburetors kick in at around 1800 RPM.
  3. R

    Engine Switching into Neutral??? Please Help!

    Try another prop.-----Sounds like the rubber hub is slipping.
  4. R

    Lower Unit Gear Oil Running Temp ?

    The gearcase on an outboard appears to be water cooled when operating.-----A temperature gauge on the gear oil is severe overkill.------Take lower unit apart.----Inspect gears / bearings.----Install seal kit .----Pressure test fill with good oil and go boating.
  5. R

    1998 Force 120 Stalls out in Low Gear

    Post compression numbers tested today.----Not 6 months ago.-----And does spark jump a gap of 3/8" on each lead.----Sounds like it is running on 3 of 4 cylinders.-----Changing the prop to get 1000 RPM more is the wrong approach.
  6. R

    1955 evinrude 7.5 hp carb and starting

    Those condensers were not original to 1955 !!----The reason is anyone's guess.-----Likely the motor was tuned in the 1960's and coils were still good then.
  7. R

    9.5 Motor doesn't start after turning off

    Does spark jump a gap of at least 1/4"when it won't start ?----If not pull the flywheel.----Coils might be old and cracked.
  8. R

    1988 Johnson 90 hp V4 carb has no suction top carb

    Are there perhaps issues with crankshaft sealing rings , yes , no or no idea what I am referring to ??
  9. R

    Johnson/Evinrude parts Interchange

    The 73 Evinrude would be a darker blue I think.
  10. R

    Johnson/Evinrude parts Interchange

    The 73 models shifted to FORWARD with a down motion of the shift rod.------The 78 model shifted to FORWARD with an up motion of the shift rod.-----It is not a direct swap.----Some knowledge is required to make it work.
  11. R

    40 hp johnson electric shift Model # 40ES 69R

    I showed the technique to some dealers years ago.-----One fellow scoffed at the idea that these can be repaired.----Other shop ( 33 year experience on his card ) said.----" in my wildest dreams i could not have figured this out "----Bought the tool on the spot.----So it shows , including here...
  12. R

    40 hp johnson electric shift Model # 40ES 69R

    Nothing wrong with a few drops of ordinary gear oil mixed in with premium blend.----Nothing at all.----As I have said many times the lubrication in outboards is a big mystery !
  13. R

    1967 Johnson 9-1/2 idling issue

    Running out of fuel.-----Inspected for cracked coils ?----These motors often have 2 cracked coils or a set of new ones already.----Does spark jump a gap of 1/4" or more on both leads ?
  14. R

    40 hp johnson electric shift Model # 40ES 69R

    No need to flush it !-----Not at all.
  15. R

    Can't get my lower unit gearcase off

    Move it up and down a few times.------Should come off.
  16. R

    1988 Johnson 90 hp V4 carb has no suction top carb

    It should pull in air all the time when running.
  17. R

    1988 Johnson 90 hp V4 carb has no suction top carb

    Throttle plates opening ??----Crankshaft sealing rings broken ?
  18. R

    40 hp johnson electric shift Model # 40ES 69R

    The wrong oil did no damage whatsoever !!!-----The spring needs attention.-----Springs used to be expensive.----One site has a fire sale on them I believe.
  19. R

    Tilt and trim not working

    Some of those use 1 solenoid for UP.-----Switch is able to handle current for DOWN as it is much lower !
  20. R

    Co-Ownership Boat Agreement

    That usually means trouble between 2 parties.----User should put X number of $$$ into a fund to cover maintenance cost.----One owner may use it 66% of the time and should be covering 66% of operating cost!!
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