Yamaha VK10W, Supplementary Service Manual

Page: 124 / 208

56
SPEC
MAINTENANCE SPECIFICATIONS
Hole position
Sheave side-spring side (twist angle) 3-3 (60°)
Spring rate 12.3 N/mm (1.25 kg/mm, 70.23 lb/in)
Number of coils 5.53
Free length 75 mm (2.95 in)
Torque cam angle 39°
Drive chain:
Type Borg Warner Automotive 23RH303-68ASM
Number of links 68L
Secondary reduction ratio 1.95 (39/20)
Maximum 14 link drive chain section length 133.35 mm (5.25 in)
<Limit> 137.35 mm (5.41 in)
Track:
Part number 8FN-47110-00
Width 500 mm (19.69 in)
Length 3,969 mm (156.24 in)
Pitch 64 mm (2.52 in)
Number of links 42
Thickness “A” 5.1 mm (0.20 in)
Height “B” 31.8 mm (1.25 in)
Track deflection at 100 N (10 kg, 22 lb) 35 ~ 45 mm (1.38 ~ 1.77 in)
Slide rail suspension (rear suspension):
Front travel 212 mm (8.3 in)
Rear travel 262 mm (10.31 in)
Suspension spring rate
Front 12.7 N/mm (1.29 kg/mm, 72.5 lb/in)
Rear 68.6 N/mm (7.00 kg/mm, 391.7 lb/in)
Suspension wire diameter
Front 6.8 mm (0.268 in)
Rear 13.3 mm (0.524 in)
Suspension setting position:
Hook setting length *
(Standard) 14.5 ~ 15.5 mm (0.571 ~ 0.610 in)
(Maximum) 35 mm (1.37 in)
(Minimum) 10 mm (0.40 in)
Full rate adjusting position ** A
Model VK10W