Yamaha RS90K Manuel D'atelier page 710

1
2
B W
Ω × 1
+ –
GRIP WARMER SYSTEM
GRIP AND THUMB WARMER COIL
1. Disconnect:
• Grip warmer leads
• Thumb warmer coupler
2. Connect:
• Pocket tester
(to the grip warmer coil leads and/or thumb
warmer coupler)
3. Measure:
• Grip warmer resistance 1
• Thumb warmer resistance 2
Out of specification → Replace.
Grip warmer resistance:
1.53 ~ 1.87 Ω at 20 °C (68 °F)
(Black – Black)
Thumb warmer resistance:
37.0 ~ 45.2 Ω at 20 °C (68 °F)
(White – Black)
THUMB WARMER ADJUSTMENT SWITCH
1. Disconnect:
• Thumb warmer adjustment switch coupler
2. Connect:
• Pocket tester
(to the thumb warmer adjustment switch cou-
pler)
3. Check:
• Thumb warmer adjustment switch continuity
Faulty → Replace the right handlebar switch.
Switch
position
Lg/W
HI
OFF
LO
Continuity
8-39
– +
ELEC
Color code
B/L Lg/L