Yamaha TT-R50E Owner's Service Manual page 66

CHASSIS
Item
Steering system:
Steering bearing type
Front suspension:
Front fork travel
Spring rate
Optional spring/spacer
Inner tube outer diameter
Rear suspension:
Shock absorber travel
Spring free length
Fitting length
Spring rate, STD
Optional spring
Swingarm:
Swingarm free play limit
End
Side clearance
Wheel:
Front wheel type
Rear wheel type
Front rim size/material
Rear rim size/material
Rim runout limit:
Radial
Lateral
Drive chain:
Type/manufacturer
Number of links
Chain slack
Chain length (15 links)
MAINTENANCE SPECIFICATIONS
Angular bearing
96 mm (3.78 in)
K1 7.95 N/mm
(0.81 kgf/mm, 45.39 lb/in)
K2 10.50 N/mm
(1.07 kgf/mm, 59.96 lb/in)
No
21.7 mm (0.85 in)
47 mm (1.85 in)
114 mm (4.49 in)
110 mm (4.33 in)
K = 29.0 N/mm
(2.96 kg/mm, 166 lb/in)
No
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Spoke wheel
Spoke wheel
10 × 1.40/steel
10 × 1.40/steel
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420/KMC
79 links + joint
35 ~ 45 mm (1.38 ~ 1.77 in)
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2 - 11
Standard
SPEC
Limit
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1.0 mm
(0.0394 in)
0.3 mm
(0.0118 in)
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2.0 mm (0.08 in)
2.0 mm (0.08 in)
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194.3 mm
(7.65 in)