Yamaha YJ125S Service Manual page 28

Rear drum brake
Brake type
Operation
Brake lever free play (at lever end)
Brake drum inside diameter
Lining thickness
Front suspension
Suspension type
Front fork type
Front fork travel
Spring
Free length
Installed length
Spring rate (K1)
Spring stroke (K1)
Spring rate (K2)
Spring stroke (K2)
Optional spring available
Fork oil
Recommended oil
Quantity (each front fork leg)
Inner tube outer diameter
Inner tube bending limit
Steering system
Steering bearing type
Lock to lock angle (left)
Lock to lock angle (Right)
Rear suspension
Suspension type
Rear shock absorber assembly type
Rear shock absorber assembly travel
Spring
Free length
Installed length
Spring rate (K1)
Spring stroke (K1)
Optional spring available
CHASSIS SPECIFICATIONS
Item
Standard
Drum brake
Left-hand operation
10~20mm
110 mm
4.0mm
Telescopic
Coil spring/oil damper
80 mm
257.5 mm
245.5mm
12.7N/mm (1.27 kg/mm)
0~50mm
19.6N/mm (1.96kg/mm)
50~80mm
No
Fork oil G10 or equivalent
126 ± 2.5cc
33 mm
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Angular bearing
47.5 °
47.5 °
Swingarm
Coil spring/oil damper
65mm
208mm
198mm
43N/mm (4.3kg/mm)
0~65mm
No
2-13
SPEC
Limit
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111mm
2mm
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252.4mm
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0.2 mm
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