Yamaha TT-R90(T) - Page 324

6 - 6
– +
ELEC
IGNITION SYSTEM
CDI MAGNETO INSPECTION
1. Inspect:
● Pickup coil resistance
Out of specification → Replace.
Tester (+) lead → Red lead 1
Tester (–) lead → White lead 2
Pickup coil
resistance
Tester selector
position
248 ~ 372 Ω at
20 ˚C (68 ˚F)
Ω × 100
2. Inspect:
● Source coil resistance
Out of specification → Replace.
Tester (+) lead → Brown lead 1
Tester (–) lead → Green lead 2
Source coil
resistance
Tester selector
position
688 ~ 1,032 Ω
at 20 ˚C (68 ˚F)
Ω × 100