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  1. R

    2 Stroke Oil Thread

    Oil goes into a 2 stroke engine to LUBRICATE the internals.----You really want the oil to stay INSIDE the engine as opposed to it burning off.
  2. R

    2 Stroke Oil Thread

    Going from 50:1 to 100:1 does not seem like it was based on scientific research.-----If I saw going from 24:1 to 41:1 I would say yes.----Boardroom decisions based on the fact that folks really do not understand what goes on inside a 2 stoke crankcase !!
  3. R

    Silliest Question on Fuel Mix - Thank you for your patience

    Agreed the wonderful , smooth running AD-12 model needs the extra oil.-----But once again this thread demonstrates the lack of knowledge of what really goes on once the fuel enters the airstream in the carburetor.----And what really goes on inside the crankcase.
  4. R

    1989 Johnson TJ50TLCEC No Spark

    The trigger is part of the powerpack.----Install the conversion kit and go fishing.
  5. R

    1989 Johnson TJ50TLCEC No Spark

    Test the charge coil.----Remove powerpack and look for bare wires.----Look into a conversion kit to move a new powerpack from under the flywheel.
  6. R

    Idles then dont

    No need to chage carburetor parts.----Post the actual compression values on this motor.----Does spark jump a gap of 3/8" using a test device?
  7. R

    Evinrude big twin 40

    Use an aluminum prop or a test prop to compare vibration.
  8. R

    Evinrude big twin 40

    Use an aluminum prop or a test prop to compare vibration.
  9. R

    85hp Merc?

    I never really liked those 3 cylinder 2 carburetor motors.
  10. R

    85hp Merc?

    The 3 cylinder was still produced after 76 as a 70 hp ( powerhead rated ) and later as a 50 or 60 prop rated.
  11. R

    1978 Johnson 140hp running rough. Need advice

    Here a crossflow V-4 would come apart for rebuild if it showed 100 PSI compression.-----These motors have a history of broken piston rings !
  12. R

    85hp Merc?

    The 2 strokes when maintained use a bit more fuel.----But they do not get sticker shock on repairs / maintenance at $125/hr or more shops.----Locally I see a lot of fairly new 4 strokes for sale.----Must be a reason.
  13. R

    85hp Merc?

    Find a used trim / tilt unit.-----You can save a lot of fuel by running at 3500 / 3800 RPM on a 2 stroke.
  14. R

    8 Hp Mecury outboard

    There was an earlier thread with 32 posts on this motor.------It has NO spark or spark at the wrong time.----
  15. R

    1978 Johnson 140hp running rough. Need advice

    Well---100 psi is too low.----Remove cylinder head and inspect piston that has 100 PSI in that cylinder.-----Or remove bypass cover.
  16. R

    1978 Johnson 140hp running rough. Need advice

    Step #1 on those engines is a compression test.-----Post actual values here.
  17. R

    85hp Merc?

    Decal were used in 76 /77 model years.
  18. R

    85hp Merc?

    How can you tell by a video that it is idling strong ?----Was it in gear or neutral?-----Get it cheap and be prepared to spend some time and beer tokens on it.----As stated most shops today work on boats that guarantee them a profit.----Owners of older motors can be reluctant to open the wallet...
  19. R

    2012 3.0L TKS runs great with muffs, but slow on lake...

    Sorry----I missed that detail.
  20. R

    Troubles with 8HP

    Just check the flywheel key !----It costs nothing to do that.
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