Yamaha 2010 FX Nytro FX10X Service Manual page 681

Item
Secondary sheave spring:
Part number
Color code
Outside diameter
Wire diameter
Hole position
Sheave side-spring seat side
(twist angle)
Spring rate
Compression
Torsion
Number of coils
Free length
Torque cam angle
Drive chain:
Type
Manufacturer
Number of links
Secondary reduction ratio
Maximum 14 link drive chain section
length
<Limit>
MAINTENANCE SPECIFICATIONS
90508-60018 (FX10Z/FX10RTRZ/FX10M53Z)
90508-60016 (FX10XTZ/FX10M53SZ/FX10M62SZ)
90508-60012 (FX10RTRSZ)
Pink – Pink (FX10Z/FX10RTRZ/FX10M53Z)
White – White (FX10XTZ/FX10M53SZ/FX10M62SZ)
Pink (FX10RTRSZ)
69.5 mm (2.74 in)
6.0 mm (0.236 in)
2-6 (80°) (FX10Z/FX10RTRZ)
1-6 (70°) (FX10RTRSZ/FX10XTZ/FX10M53Z)
3-3 (60°) (FX10M53SZ/FX10M62SZ)
12.32 N/mm (1.26 kgf/mm, 70.35 lbf/in) (FX10Z/
FX10RTRZ/FX10RTRSZ/FX10M53Z)
13.45 N/mm (1.37 kgf/mm, 76.80 lbf/in) (FX10XTZ/
FX10M53SZ/FX10M62SZ)
11,876 N•mm/rad (1,211 kgf•mm/rad,
67,825.6 lbf•in/rad) (FX10Z/FX10RTRZ/FX10RTRSZ/
FX10M53Z)
12,654 N•mm/rad (1,290 kgf•mm/rad,
72,268.8 lbf•in/rad) (FX10XTZ/FX10M53SZ/
FX10M62SZ)
5.53 (FX10Z/FX10RTRZ/FX10RTRSZ/FX10M53Z)
5.19 (FX10XTZ/FX10M53SZ/FX10M62SZ)
75.0 mm (2.95 in)
43.0° (FX10Z/FX10RTRZ/FX10RTRSZ/FX10XTZ)
39.0° (FX10M53Z/FX10M53SZ/FX10M62SZ)
Silent chain enclosed in oil both
Borg Warner 13
68 L
39/21 (1.86) (FX10Z/FX10RTRZ/FX10RTRSZ/
FX10XTZ)
40/20 (2.00) (FX10M53Z)
40/18 (2.22) (FX10M53SZ/FX10M62SZ)
133.35 mm (5.25 in)
137.35 mm (5.41 in)
131
SPEC
Description