Yamaha SXV70SJ Supplementary Service Manual page 230

SCH4350
SCH4360
a
SCH4370
SECONDARY SHEAVE
Installation steps:
•
Hold the spring seat 1 and turn the fixed sheave
2 counterclockwise to the specified angle a.
NOTE:
The holes in the spring seat should align with the bolts
on the sliding sheave.
a = (sheave hole number + spring seat hole
number) × 10
Twist angle a:
°
60 (VX700/VX700DX/SX700)
°
70 (MM700/VT700)
•
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 specified torque.
Nut (spring seat):
23 Nm (2.3 m · kg, 17 ft · lb)
4. Measure:
•
Secondary sheave clearance a
Out of specification → Adjust.
Secondary sheave clearance a:
35.0 ~ 35.8 mm (1.38 ~ 1.41 in)
5. Calculate:
•
Shim thickness
NOTE:
For example, if the clearance is 36 mm (1.42 in),
install a 0.5-mm (0.02-in) shim on each bolt so the
clearance is 35.5 mm (1.40 in).
6. Adjust:
•
Secondary sheave clearance
4-15
POWR
TR