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  1. R

    1956 Johnson 6hp versus evinrude 6hp pros and cons

    Need to review your parts books.----That exhaust housing was used from about 1954 to 1979 on the 5.5 / 6 / 7.5 HP -----Just looked at a 54 and a 79 in my parts shed.-----No plate on them !!
  2. R

    115 Crossflow Stripped Important Bolt

    Hard to believe these issues of stripped / damaged threads.
  3. R

    1956 Johnson 6hp versus evinrude 6hp pros and cons

    Are you 100% sure that the 7.5 has a plate to separate shift rod ??
  4. R

    115 Crossflow Stripped Important Bolt

    That missing bolt does not cause compression issues in the crankcase.---And it cannot cause fuel to leak elsewhere in my opinion.----Find the real issue.
  5. R

    115 Crossflow Stripped Important Bolt

    Just install a helicoil and do not worry about the wee tab.-----The hole does NOT go into the crankcase.---Just checked.----And it would not cause a loss in performance.---I would say do some trouble shooting and do not run the motor until you sort this out.
  6. R

    1956 Johnson 6hp versus evinrude 6hp pros and cons

    The 6 has needle bearings on the crank journals for the rods.----Run on 50:1 mix.----The 7.5 was marketed for 56 / 57 / 58 and they are a great running engine as well and run on 24 :1 mix.----The 7.5 has the slip clutch in the gearcase and better bushing above the pinion.
  7. R

    115 Crossflow Stripped Important Bolt

    That hole may go straight into the #1 crankcase.--I can confirm later when looking at a block.-----You are loosing crankcase compression and suction. -----Do not run this motor until you sort it out.
  8. R

    1959 Evinrude Lark Kill Switch

    Use those for the kill switch.----Circuit OPEN for motor to run.---CLOSED to stop motor.
  9. R

    1959 Evinrude Lark Kill Switch

    Are there 2 small black wires coming down from underneath the magneto plate ?---Not talking about sparkplug wires here.
  10. R

    Replacing transom on aluminum Jon boat

    Remove corner caps.----Remove cap.---Drill out rivets.----Replace the wood.
  11. R

    Evinrude 40hp Water Temp alarm

    So 82 in Fahrenheit or Celsius ?
  12. R

    Evinrude 40hp Water Temp alarm

    Remove lower unit and inspect water pump.----Post the compression values.----Blown head gasket can cause overheating.
  13. R

    first bass boat (Evinrude outboard)

    Post pictures of the cowling.----Start with a compression test on that crossflow !----Post the values here.----These motors are famous for broken rings.-----Motor is 1988 to 94 vintage.----Most parts are the same every year.
  14. R

    1958 seahorse 10 running hot

    Sorry----No thermostat shown for 1958.
  15. R

    1988 Johnson GT150 acceleration issues

    Do not run motor till issues are sorted.----A cylinder starving of fuel starves a cylinder of OIL as well.
  16. R

    1958 seahorse 10 running hot

    I doubt there is a thermostat on a 1958 model10 HP.
  17. R

    1982 Evinrude 90 hp

    Any history on this motor ?-----A compression test is the first thing to do !----Post your numbers here.
  18. R

    1988 Johnson GT150 acceleration issues

    Post the compression test values.----Are the fuel jets ( FIXED ) clean ?----Does spark jump a gap of at least 3/8" on all leads ?-----Flywheel key checked ?----Any history on this motor ?
  19. R

    1958 seahorse 10 running hot

    Was water tube installed in the exhaust housing grommet BEFORE the lower unit was installed ?
  20. R

    4 stroke 50hp 1997 Yamaha outboard black smoke rough runnning

    Possibly an issue with carburetor float/s and float valves.----Too much fuel.
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