Yamaha TT-R90 Manuel D'atelier Du Proprietaire page 334

ELECTRIC STARTING SYSTEM (TT-R90E)
W Sb
Y B
STARTER RELAY INSPECTION
1. Remove:
Starter relay
G
2. Inspect:
Starter relay conduct
G
Use 12 V battery.
Battery (+) lead →
Battery (–) lead →
Tester (+) lead →
Tester (–) lead →
Connected
to battery
connected
to battery
Continuous while not connected to the battery
→ Replace.
Not continuous while connected to the battery
→ Replace.
NEUTRAL SWITCH INSPECTION
1. Inspect:
1
Neutral switch conduct
G
Tester (+) lead → Sky blue lead 1
Tester (–) lead → Black lead 2
2
NEU-
TRAL
GEAR
Not continuous while in neutral → Replace.
Continuous while in gear → Replace.
6 - 10
ELEC
Starter relay terminal 1
Starter relay terminal 2
Starter relay terminal 3
Starter relay terminal 4
Ter- Ter-
minal minal
3 4
Not
B
Sb
1 2
IN
– +
Tester selec-
tor position
Ω × 1
Tester selec-
tor position
Ω × 1