Grip Warmer And Thumb Warmer; Grip/Thumb Warmer Adjustment Switch - Yamaha RS90GTZ Service Manual

GRIP WARMER SYSTEM

GRIP WARMER AND THUMB WARMER

1. Disconnect:
• Grip warmer
RS90LTGTZ)
• Grip warmer connectors (RST90GTZ)
• Thumb warmer coupler
RS90GTZ/RS90LTGTZ
RST90GTZ
2. Connect:
• Analog pocket tester (pocket tester)
(to the grip warmer couplers or grip warmer
connector, and/or thumb warmer coupler)
3. Measure:
• Grip warmer
RS90LTGTZ)
• Grip warmer resistance (RST90GTZ)
• Thumb warmer resistance
Out of specification → Replace the defec-
tive part(s).
Grip warmer resistance:
6.75 ~ 8.25 Ω at 20 °C (68 °F)
(Black – Black)
(RS90GTZ/RS90LTGTZ)
1.53 ~ 1.87 Ω at 20 °C (68 °F)
(Black – Black) (RST90GTZ)
Thumb warmer resistance:
36.99 ~ 45.21 Ω at 20 °C (68 °F)
(White – Black)
GRIP/THUMB WARMER ADJUSTMENT
SWITCH
1. Disconnect:
• Grip/thumb warmer adjustment switch cou-
pler
RS90GTZ/RS90LTGTZ
RST90GTZ
8-61
ELEC
couplers (RS90GTZ/
resistance (RS90GTZ/