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  1. R

    1996 mercury 9.9 outboard, stalls when decelerating

    A---" crossflow "-- has a deflector on the piston crown to direct incoming charge to scavenge the cylinder.-----A looper has a flat / nearly flat crown and intake ports positioned to loop the incoming charge.
  2. R

    90 Mercury 40HP motor

    I doubt you can use a " diagnostic reader " on a 1990 4 cylinder Mercury !
  3. R

    1996 mercury 9.9 outboard, stalls when decelerating

    These " holes " in the cylinder are also found on bigger motors including V-4 and V-6 models.-----People often state that a motor has " good " compression.----But many have no idea what it should be !
  4. R

    1996 mercury 9.9 outboard, stalls when decelerating

    I picked up a 6 HP Johnson for next to 0 beer tokens.----Tag says ---" low compression " ----as reason it was set aside.------I tested it at 90 PSI.-----Doubt there is an issue.-----These motors have a hole above exhaust ports.-----Bleeds off compression at low speed.-----Makes for smoother...
  5. R

    1996 mercury 9.9 outboard, stalls when decelerating

    Compression varies from motor to motor.---Not a well understood concept.------There is no GOLDEN RULE for it !!
  6. R

    1988 25hp Evinrude - No Start

    Many motors with small problems end up on the market.----Bonus if you know motors and simple trouble shooting.----Many dealers now frown on older motors because the owners are not an easy source of revenue.-----Older motor give you years of low cost boating if you learn the basics.
  7. R

    Disguising a Suzuki as a Mercury

    Make a thin shell cowling using carbon fiber I say.
  8. R

    Kicker Motor

    An E-tec behaves like a 4 stroke for part of the rotation of the crankshaft.
  9. R

    1996 mercury 9.9 outboard, stalls when decelerating

    What was the compression on a Ford model T-----Google it to learn.
  10. R

    Wot onna 30hp johnson on the trailer

    Check it at home on the trailer.-----Empty the carburetor.---Hook up timing light.-----Advance to full throttle.----Turn ignition to " ON " -----Wrap rope around flywheel.----Have assistant wind it over.
  11. R

    Kicker Motor

    Unlike 4 strokes the E-tec uses low friction ball and needle bearings.----Less internal drag.
  12. R

    Wot onna 30hp johnson on the trailer

    Timing is fixed for the life of the motor.----Some folks still insist on meddling with it.-----What is your motor doing / not doing?
  13. R

    1996 mercury 9.9 outboard, stalls when decelerating

    My mistake.-----Confused with the 18XD / 20 / 25 HP models.
  14. R

    1996 mercury 9.9 outboard, stalls when decelerating

    I think the 9.9 might be / is a looper.----And it will run at 90 PSI.-----Remove bypass covers and inspect pistons / rings.----Easy and no parts needed to do that.
  15. R

    1988 25hp Evinrude - No Start

    Did you remove the flywheel or check timing mark ??
  16. R

    1988 25hp Evinrude - No Start

    Is top piston at TDC lined up with timing mark?
  17. R

    1988 25hp Evinrude - No Start

    Switch plug wires?---Wires from powerpack to the coils?----Orange / blue stripe if for the top.
  18. R

    1988 25hp Evinrude - No Start

    Check flywheel key.
  19. R

    Kicker Motor

    Many 25" motors available.-----Location is everything.----Know of a 25" 8 HP now used on a 19' boat with great success.----Extension kits may be available.----New motors use up a lot of beer tokens.
  20. R

    Trailer wheel bearings - standard or stainless

    Worked in a facility where a machine used stainless bearings.-----And lubricated by water.-----Fairly low operating speeds.
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