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  1. R

    Another Guy With Force 120 Issue

    All cylinder heads are warped.-----Did you refinish the head before installing the new gasket ?-----A leak into water jackets can lead to overheating !
  2. R

    First tiller motor

    Needs more water in your bucket.----Install a new impeller now.
  3. R

    First tiller motor

    Agreed 25 HP.-----But fill the bucket to overflowing to test water pump.-----Pump is not self priming.
  4. R

    Mercury 7.5 hp Not Firing

    Does spark jump a gap of 3/8" ( 1 cm ) , yes or no ?-----What happens if you put a few drops of fuel into sparkplug holes ?----Does motor bark when you pull it over ?
  5. R

    Mercury 7.5 hp Not Firing

    Switch the plug wires as a test.
  6. R

    78 Mercury 90hp inline 6 2 stroke outboard

    No oil is pulled from the lower unit !----------There is an oil recirculation line from bottom of engine block that goes to an upper bearing.-----You are mixing gas / oil at 50:1 on this machine ?-----Oil on the outside of the sparkplug ?
  7. R

    is there a outboard vintage Merc 39

    Not a mistake there was a 3.9 hp model marketed.
  8. R

    Source of Oil Leak

    Perhaps an oil leak on the oil lines.------Best to find the leak ( replace hoses ) and fix it.-----Loosing oil injection system gets expensive in a hurry !
  9. R

    1995 Evinrude 50hp ignition problem

    Oil injection has nothing to do with ignition.-----I would say the powerpack is the culprit.-----Fairly easy to change out.
  10. R

    1985 looper 140 and a 1985 looper 120 powerhead exchange

    Same driveshaft splines.--------Same block so go for it.
  11. R

    A different "Can't attach shift shaft" question

    As in post #2------There is no way for you to know how many of these motors I have worked on or how many I own for parts / rebuilding.
  12. R

    1983 evinrude 9.9 2 stroke idle speed setting

    Well----1-1/2 is the starting point.------A motor in good condition should start and keep running.-------Then you must do the final adjusting a bit more out or more in. ----So is your motor in good condition ??-----Thermostat installed and motor running at proper temperature ?------Compression...
  13. R

    Question for "the machinist"

    Springs do not get lazy here.-----Perhaps the plastic bushing / sleeve #55 is compromised.-----Very easy to shim this up to correct the issue.
  14. R

    Mercury 80HP Mounting on transom

    Remove that wood shim.------Drill the transom ( 2 holes total ) through the slots at bottom of brackets.----Done.
  15. R

    98 evinrude 90hp crossflow

    ??----Intake ports are round holes in the cylinders.-----Can not be swapped out.
  16. R

    2004 Johnson 90 HP Outboard- left me out in the sea - neutral

    No surprise there.-----These new lower units are not as robust as the older ones.----Just my opinion.
  17. R

    Prop for old Merc

    Try----Ebay ----Or google that prop number.
  18. R

    Mercury 80HP Mounting on transom

    You only need to drill the slots at the bottom ( total of 2 ) holes.------That and the 2 clamps keeps the motor from going for a swim.
  19. R

    98 evinrude 90hp crossflow

    The intake ports on the 90 HP blocks are smaller than the 115 / 140 HP bubble back blocks.-----Not sure why the certified tech did not explain that to you ???-----So post your compression numbers first.-----Sounds like the motor is running on 3 of 4 cylinders to me.-----Trouble shooting needs to...
  20. R

    Yamaha 130 has random miss at idle

    Good luck with your motor.
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