Yamaha TT-R90(R) - Page 274

6 - 5
– +
ELEC
IGNITION SYSTEM
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