Pick-Up Timing Adjustment - Yamaha 50G Service Manual

INSP
ADJ
PERIODIC SERVICE
3. While keeping the stopper in contact
with the full-advance adjusting screw,
measure the full-retard ignition timing
with the timing light.
If the timing is out of specification,
adjust it by turning the full-advance
adjusting screw.
NOTE:
When measuring the full-advance ignition
timing, keep the specified engine speed.
Full-advance side engine speed:
50, 60, 75, 80, 90 ph:
5,000 ± 500 rpm
70 hp:
5,500 ± 500 rpm
Full-advance side ignition timing:
50, 60, 90 hp: 22 ± 1˚ BTDC
70, 75, 80 hp: 20 ± 1˚ BTDC

PICK-UP TIMING ADJUSTMENT

NOTE:
Engine idle speed should be adjusted prop-
erly before adjusting the pick-up timing.
1. Turn the magneto control lever to the
full-retard position.
2. Bring the throttle cam to lightly contact
the throttle lever roller. (The throttle
valve should not open.)
Adjust the accelerator link length and
connect magneto control lever to the
accelerator cam.
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