Yamaha 2012 Grizzly 300 Service Manual page 276

EBS01038
4. Ignition coil resistance
• Disconnect the ignition coil connectors
from theignitioncoil terminals.
• Connect the pocket tester (Ω×1) to the
ignition coil as shown.
Positive tester probe
Negative tester probe
2
• Measure the primary coil resistance.
Primary coil resistance
0.19 ~ 0.23 Ω at 20 °C (68 °F)
• Connect the pocket tester(Ω×1k)to the
ignition coil as shown.
Positive tester probe
Negative tester probe
• Measure the secondary coil resistance.
Secondary coil resistance
2.79~ 3.41kΩ at 20 °C (68 °F)
• Is the ignition coil OK?
YES
→
black terminal
1
→
green terminal
2
1
Ω×1
→
spark plug lead
3
→
green terminal
2
NO
Replace the ignition
coil.
IGNITION SYSTEM
EBS01041
5. Main switch
• Check the main switch for continuity.
Refer to "CHECKING THE SWITCHES".
• Is the main switch OK?
YES
EBS01042
6. Engine stop switches
• Check the engine stop switches for conti-
nuity.
Refer to "CHECKING THE SWITCHES".
• Are the engine stop switches OK?
YES
9-9
ELEC
– +
NO
Replace the main
switch.
NO
Replace the handle-
bar switch or engine
stop switch (frame).