Yamaha 2001 YJ50RAP, Service Manual

Page: 29 / 228

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