Re: Timing question
Idle timing and maximum timing can both be performed while cranking the motor with spark plugs removed (so the motor does not start). You do not need to put the motor into the water and run it (in gear) until after you have set the idle and max timing and adjusted the carb's idle jets to the preliminary standard settings (around 1 1/4 turns out).
After doing the above, the final adjustments are done as follows:
Idle Adjustment:
With engine is water, connect electrical harness and
fuel line to engine.
1. Start engine and allow to warm up.
2. Properly adjust carburetor low speed mixture screws.
Initial setting is 1-1/4 turns off seat.
3. Hold throttle arm at idle position (throttle cable barrel
removed from barrel retainer). Adjust idle timing screw
(a) to attain an engine idle RPM of 650-750 RPM in
?FORWARD? gear. Tighten locknut (b) and turn off engine.
a
b
Throttle Cable Installation:
1. With end of throttle cable connected to throttle lever,
hold throttle lever against idle stop. Adjust throttle
cable barrel to slip into barrel retainer on cable anchor
bracket with a very light preload of throttle lever against
idle stop. Lock barrel in place.
IMPORTANT: Excessive preload on throttle cable will
cause difficulty when shifting from forward to neutral.
(Re-adjust throttle cable barrel, if necessary.)
2. Check preload on throttle cable by placing a thin piece
of paper between idle stop screw and idle stop. Preload
is correct when paper can be removed without
tearing but has some drag on it. Re-adjust throttle
cable barrel, if necessary.
