Yamaha 2012 Grizzly 300 Service Manual page 277

EBS01040
7. Pickup coil resistance
• Disconnect the C.D.I. magneto coupler
from the wire harness.
• Connect the pocket tester (Ω× 100) to the
pickup coil terminal as shown.
Positive tester probe
Negative tester probe
Y Y
Y
• Measure the pickup coil resistance.
Pickup coil resistance
96 ~ 144 Ω at 20 °C (68 °F)
(between white/red and white/
blue)
• Is the pickup coil OK?
YES
EBS01047
8. Wiring
• Check the entire ignition system's wiring.
Refer to "CIRCUIT DIAGRAM".
• Is the ignition system's wiring properly
connected and without defects?
YES
Replace the C.D.I.
unit.
→
blue terminal
1
→
green terminal
2
L G
1 2
NO
Replace the pickup
coil/stator assembly.
NO
Properly connect or
repair the ignition
system's wiring.
IGNITION SYSTEM
9-10
ELEC
– +