Yamaha RS90GTZ Service Manual page 158

SECONDARY SHEAVE
3. Install:
• Secondary sheave spring
• Spring seat
TIP
Hook the end of the secondary sheave spring
into the spring holes in the fixed sheave. Hook
the other end of the spring into the holes in the
spring seat.
Standard spring position:
1-6 (RS90GTZ/RS90LTGTZ)
3-3 (RST90GTZ)
Installation steps:
• Hold the spring seat
sheave counterclockwise to the specified
angle .
TIP
The holes in the spring seat should align with
the bolts on the sliding sheave.
= (sheave hole number + spring seat
hole number) × 10
Twist angle:
60° (RST90GTZ)
70° (RS90GTZ/RS90LTGTZ)
• Push down on the spring seat until the bolts
come through the holes.
• While pushing down on the spring seat,
install the nuts and tighten them to the speci-
fied torque.
Spring seat nut:
23 Nm (2.3 m•kgf, 17 ft•lbf)
4-17
POWR
TR
and turn the fixed