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  1. R

    1972 Chrysler 85, Tolletson carburetor tuning

    Thermostat is at the top of cylinder head I believe.
  2. R

    Help this rookie Read Timing

    Remove flexplate and look for stain / rust mark to install in proper position.-----Or put #1 at TDC and use timing marks.-------Timing on these motors usually does not go out of adjustment.-----Start with a compression test.-----Post your numbers.
  3. R

    Old 9.9 Mercury looking for year made. 0B390028

    My wildest guess is 1989 model.
  4. R

    1975 Merc 7.5 thunderbolt hard starting

    Does choke close and stay closed when you pull the recoil ?----Does spark jump a gap of 3/8" on a test device ?-----Could also be an issue with the reed valves .----Or an issue with crankshaft oil seals.
  5. R

    1973 115hp Tower of Power, Straight 6 Bogging down

    I do not believe there are any " water lines " near the carburetors.
  6. R

    Lower unit reseal cost 6hp evinrude

    This is not a hard job to do.------U-tube videos will help you.-------Shop might charge you 2 hrs.-----Or visit ----leroysramblings ------for instructions.-----The bushing for shift rod o-ring can be replaced without removing the bushing.-----Or run a 5/16-NC tap in there for 3 threads and pull...
  7. R

    1984 65 trim replacement

    Yes.-----From many 3 , 4 and 6 cylinder Johnson / Evinrude models
  8. R

    93 mecrury 75 no spark

    Charge the battery and have it load tested.
  9. R

    1972 Chrysler 85, Tolletson carburetor tuning

    Perhaps use an oil that smokes less.-----Might cost a little more.-----And do you understand the concept of a 2 stroke and the reason for the smoke ?----When you operate the manual fuel pump does it go hard?-----Is thermostat in place?
  10. R

    Constant high pitch alarm?

    There was a service bulletin in 1994 that was to move the telltale.---Water pump kit 0432955 has instructions for cooling system modification.
  11. R

    Constant high pitch alarm?

    When you unplug the VRO and oil tank the overheat horn is still in the circuit I believe.
  12. R

    Constant high pitch alarm?

    If it was the overheat alarm , you may have damaged the motor.-----Perhaps not the opinion you wanted to hear.----But it is what you need to act on.
  13. R

    Constant high pitch alarm?

    Well-----I would now do a compression test.----Post the numbers.-----Does the tell tale hose come off the side of the engine block or off the top ??------Any time you put a " new to you " motor in service it needs a new impeller!
  14. R

    Replaced prop with the "same" spec prop. Loss of bottom end.

    Did you hit something with the prop ?
  15. R

    200 evinrude

    There is a switch on the side of the motor block.----Cuts spark to 3 cylinder for shifting.----Perhaps check it.----Do a compression test as well , post your numbers..----How did it run for you last season ?
  16. R

    Constant high pitch alarm?

    Did you unplug the wiring on the VRO?----Unplug the oil tank ?----Did you install a new water pump impeller ?----And you kept running your motor with the alarm sounding ??
  17. R

    Evinrude Mariner 6 HP 1965 Model 6502, 6503 3 fin prop

    If you have a 1956 / 57 / 58 model 7.5 HP you can fit the 6 HP gearcase up to the 79 model year.---Just need to know the tricks.-----Finding a prop for those 7.5 models is easy , if you know where to look.-----The ---aomci-----has a free " wanted " section.----Lots of folks there with the parts !
  18. R

    Evinrude Mariner 6 HP 1965 Model 6502, 6503 3 fin prop

    The 65 model was the last year for the slip clutch inside the gearcase.----Those did not have a rubber hub inside the prop.----Rubber prop cap to hold shear pin.-----Newer ones 66 and on had shear / drive pin in front of prop and threaded prop cap..
  19. R

    Evinrude Mariner 6 HP 1965 Model 6502, 6503 3 fin prop

    The gearcase / propshaft / slip clutch on a 1965 model 6 HP is not the same as what is found on a 66 model.
  20. R

    1991 mercury 115hp 4cyl 2 cycle outboard

    New to you motors need a new water pump impeller.----It is always scary when wiring is molested like that.----You do understand that this motor idles on top 2 cylinders.----Bottom 2 carburetors kick in at about 1800 RPM.----Compression test is #1 step in trouble shooting and for future...
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