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  1. flyingscott

    99’ Merc 25hp periodic rough idle

    Have you tried adjusting the low speed screw?
  2. flyingscott

    Weird noise between only 1/3-1/2 throttle

    Sounds like a rough transition between 2 and 4 cylinders.
  3. flyingscott

    2000 Johnson 60 HP

    Did you put the correct Jets in it? The correct yr Carbs? All 70 carbs aren't the same. Wrong Gasket on top if it's plastic top? or is it a metal carb? Primer leaking?
  4. flyingscott

    1953 Goodyear Seabee 12hp issues.

    pull the lower unit off and pull it over.
  5. flyingscott

    Power Tilt Conversion

    Buy an aftermarket tilt and trim. CMC and Panther both make one and are pricey
  6. flyingscott

    1988 tiller johnson 20 hp overheating

    Probably more pieces in the water tube.
  7. flyingscott

    Water Pump Kit P/N 394711 for 9.9 & 15 HP Johnson

    Depends on the year of the motor. On early 9.9/15 hp motors that went on the top of the drive shaft. Later models had 2 seals incorporated in the lower crankcase seal, So the o ring was no longer required. If it is required you will have a groove at the top of the shaft.
  8. flyingscott

    1993 Mercury 25hp 2-stroke outboard leaks gas out of vent hole on integrated carb?

    Fuel pump or Primer? If its the primer replace the diaphragm. If its the pump side make sure you used the correct gaskets.
  9. flyingscott

    need help identifying a 25hp motor

    96 or newer. Should be a silver disc by the throttle assembly, should have the serial #
  10. flyingscott

    Stator Wires sheared

    Typical 0f a 70s Merc. Best way to fix that is to replace it.
  11. flyingscott

    Ignition timing

    Why are you adjusting timing? What is your model #
  12. flyingscott

    1987 Johnson 15 HP J15RCUD Lost Spark

    Where is the ignition module on that? Disconnect the black kill wire from the module
  13. flyingscott

    Going rate on a good running 15hp?

    Electric start is a premium.
  14. flyingscott

    V4 trim on V6 engine

    Yes as long as the TNT units are the same. 93 was around the time they changed TNT units.
  15. flyingscott

    1990 Evinrude 9.9/15 still starting rough

    Is the roller sleeve still on or is it missing?
  16. flyingscott

    2006 Johnson 15 HP 4 Stroke bogs when snapping throttle

    Get a sonic cleaner. You run the risk of breaking something off in the orifice.
  17. flyingscott

    2006 Johnson 15 HP 4 Stroke bogs when snapping throttle

    Early 4 strks, especially early 2000s had the idles leaned out to pass emissions. The idle Jets were extremely prone to plugging and being difficult to clean. They also were leaned out to pass Emissions and that will also cause a bog.
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