Spark Plug Cap; Ignition Coil; Cdi Magneto - Yamaha MM600D Service Manual

IGNITION SYSTEM

SPARK PLUG CAP

1. Remove:
•
Spark plug cap
2. Connect:
•
Pocket tester
(to the spark plug cap)
3. Measure:
•
Spark plug cap resistance
Out of specification → Replace.
SEJ8040
Spark plug cap resistance:

IGNITION COIL

1. Disconnect:
•
Ignition coil lead
•
Spark plug lead
2. Connect:
•
Pocket tester
SEJ8050
(to the ignition coil and spark plug lead)
3. Measure:
•
Primary coil resistance 1
•
Secondary coil resistance 2
Out of specification → Replace.
Primary coil resistance 1:
Secondary coil resistance 2:
SEJ8060

CDI MAGNETO

1. Disconnect:
•
CDI magneto coupler
2. Connect:
•
Pocket tester
(to the CDI magneto coupler)
3. Measure:
•
Source coil/pickup coil resistances
Out of specification → Replace.
SEJ8070
Source coil resistance 1:
(Brown – Black/Red)
Source coil resistance 2:
(Brown/Red – Black)
Pickup coil resistance 3:
(White/Red – White/Green)
SEJ8080
8-4
ELEC
5 kΩ at 20°C (68°F)
0.05 ~ 0.07 Ω at 20°C (68°F)
2.7 ~ 3.7 kΩ at 20°C (68°F)
392 ~ 479 Ω at 20°C (68°F)
93 ~ 113 Ω at 20°C (68°F)
189 ~ 231 Ω at 20°C (68°F)
– +