Yamaha SX150C Service Manual page 284

– +
ELEC
8270
IGNITION SYSTEM
8260
2. Measure:
• Charge coil output peak voltage
Above specification → Measure the
pulser coil output peak voltage.
Below specification → Replace the
charge coil.
Charge coil output peak voltage
Red (R) – Brown (Br)
Black/red (B/R) – Blue (L)
Circuit
r/min
Cranking
V 85
Test harness (4-pin)
YB-38831 / 90890-06771
3. Measure:
• Pulser coil output peak voltage
Above specification → Replace the
CDI unit.
Below specification → Replace the
pulser coil.
Pulser coil output peak voltage
White/red (W/R) – Black (B)
White/black (W/B) – Black (B)
White/yellow (W/Y) – Black (B)
White/green (W/G) – Black (B)
White/blue (W/L) – Black (B)
White/brown (W/Br) – Black (B)
Circuit
r/min
Cranking
V 3.0
Test harness (6-pin)
YB-38832 / 90890-06772
8-15
Loaded
1,500 3,500
110 150 150
Loaded
1,500 3,500
3.0 16 30
E