Control System - YAMAHA Marine 100A Manual De Servicio

INSP
ADJ

CONTROL SYSTEM

3052
3053
2. Adjust:
• Ignition timing (full advance)
Adjustment steps
(1) Remove all of the spark plugs.
(2) Remove the intake silencer.
(3) Install the dial gauge 1 into cylinder
#1's spark plug hole.
(4) Slowly turn the flywheel magnet
assembly clockwise and stop it when
the piston is at TDC.
(5) Set the dial gauge to "0".
(6) Turn the flywheel magnet assembly
clockwise until the dial gauge indicates
the proper specification.
NOTE:
Turn the flywheel magnet assembly clock-
wise to locate BTDC.
Piston position
100A, 130B, S130B, L130B,
140B/100TR, 130TR, S130TR,
L130TR:
E115A:
115B, 115C, S115C/
C115TR, 115TR, S115TR,
B115TR:
(7) Align the timing plate 2 with the spec-
ified mark on the flywheel magnet
assembly.
Timing plate position
100A, 130B, S130B, L130B,
140B/100TR, 130TR,
S130TR, L130TR:
E115A:
115B, 115C, S115C/
C115TR, 115TR, S115TR,
B115TR:
3-5
E
3.05 mm (0.12 in)
3.33 mm (0.13 in)
3.91 mm (0.15 in)
BTDC 22˚
BTDC 23˚
BTDC 25˚