Yamaha YJ50RAP Service Manual page 29

Item
Front brake
Brake type
Operation
Brake lever free play (at lever end)
Dram brake type
Brake drum inside diameter
Lining thickness
Rear brake
Brake type
Operation
Brake lever free play (at lever end)
Drum brake type
Brake drum inside diameter
Lining thickness
Front suspension
Suspension type
Front fork type
Front fork travel
Spring
Free length
Spring rate (K1)
Spring stroke (K1)
Spring rate (K2)
Spring stroke (K2)
Spring rate (K3)
Spring stroke (K3)
Optional spring available
Steering
Steering bearing type
CHASSIS SPECIFICATIONS
Standard
Drum brake
Right-hand operation
10 ~ 20 mm (0.39 ~ 0.79 in)
Leading, trailing
110 mm (4.33 in)
4 mm (0.16 in)
Drum brake
Left-hand operation
10 ~ 20 mm (0.39 ~ 0.79 in)
Leading, trailing
110 mm (4.33 in)
4 mm (0.16 in)
Bottom link fork
Coil spring/oil damper
40 mm (1.57 in)
156.5 mm (6.16 in)
12.8 N/mm (1.28 kgf/mm, 73.09 lb/in)
0 ~ 20 mm (0 ~ 0.79 in)
30.4 N/mm (3.04 kgf/mm, 173.58 lb/in)
20 ~ 30 mm (0.79 ~ 1.18 in)
67.6 N/mm (6.76 kgf/mm, 386 lb/in)
30 ~ 40 mm (1.18 ~ 1.57 in)
No
Ball and race bearing
2 - 7
SPEC
Limit
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110.5 mm
(4.35 in)
2 mm
(0.08 in)
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110.5 mm
(4.35 in)
2 mm
(0.08 in)
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153.4 mm
(6.04 in)
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