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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
150A, L150A, 175A/
C150TR:
200A, L200A: 2.05 mm (0.08 in)
150F, L150F, D150H, 175D,
S175D/D150TR,
S175TR:
S150F, LS150F, 175F, 200G/
S150TR, L150TR, P175TR,
P200TR:
150G, 200F, L200F/P150TR,
200TR:
S200F, LS200F, 225D/S200TR,
L200TR:
(7) Align the timing plate 2 with the spec-
ified mark on the flywheel magnet
assembly.
Timing plate position
150A, L150A, 175A/
C150TR:
200A, L200A:
150F, L150F, D150H,
175D, S175D/
D150TR, S175TR:
S150F, LS150F, 175F,
200G/S150TR, L150TR,
P175TR, P200TR:
150G, 200F, L200F/
P150TR, 200TR:
S200F, LS200F, 225D/
S200TR, L200TR:
3-4
E
2.28 mm (0.09 in)
3.05 mm (0.12 in)
3.33 mm (0.13 in)
2.53 mm (0.10 in)
2.78 mm (0.11 in)
BTDC 19˚
BTDC 18˚
BTDC 22˚
BTDC 23˚
BTDC 20˚
BTDC 21˚