Yamaha 150A - Control System Adjustments

3-3
E
INSP
ADJ
FUEL SYSTEM/CONTROL SYSTEM
INSPECTING THE FUEL FILTER 3
Inspect:
• Fuel filter element
• Fuel filter cup
Clogs/cracks/leaks → Replace.
Foreign matter → Clean.
Refer to “FUEL JOINT AND FUEL FIL-
TER” on page 4-1.
3040
CONTROL SYSTEM 3
ADJUSTING THE IGNITION TIMING 3
1. Inspect:
• Ignition timing (full advance)
Incorrect → Adjust.
Inspecting steps
(1) Remove the flywheel magnet assem-
bly cover.
(2) Turn the flywheel magnet assembly 1
clockwise and align the timing plate 2
with the specified mark.
(3) Turn the magneto control lever 3 so
that it contacts the full advance adjust-
ing screw 4 .
(4) Check that the mark a on the flywheel
magnet assembly aligns with the mark
b on the pulser coil assembly.
Flywheel magnet assembly
position
150A, L150A, 175A/
C150TR: BTDC 19˚
200A, L200A: BTDC 18˚
150F, L150F, D150H,
175D, S175D/D150TR,
S175TR: BTDC 22˚
S150F, LS150F, 175F,
200G/S150TR, L150TR,
P175TR, P200TR: BTDC 23˚
150G, 200F, L200F/
P150TR, 200TR: BTDC 20˚
S200F, LS200F, 225D/
S200TR, L200TR: BTDC 21˚
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