Yamaha BR250F Service Manual page 142

Model
Track Suspension:
Front Travel
Rear Travel
Front Suspension Spring:
Spring Rate
Wire Dia.
Rear Suspension Spring:
Spring Rate
Wire Dia.
Suspension Setting Position:
Stopper Band Hole Position
Shock Absorber:
Damping Force (Extension)
Damping Force (Compression)
Slide Runner:
Thickness
I I
A"
Wear Limit "B"
Front
Rear
Front
Rear
Front
Rear
BR250T J
102 mm (4.02 in)
76 mm (2.99 in)
305 kq/mrn (17,080 Ib!in)!deg
9.5 mm (0.37 in)
318.3 kq/rnrn (17,825 Ib!in)!deg
10 mm (0.39 in)
No.2
48
kg (106 Ib)!0.3
rn/s
48
kg (106 Ib}!OA
rn/s
45 kg ( 99 Ib)!0.3
rn/s
45 kg ( 99 Ib)!0.3
rn/s
15 mm (0.59 in)
10 mm (0.39 in)
Track Drive Sprocket Wheel:
Material
No. on Teeth
Rear Guide Wheel:
Material
Outside Dia.
Brake:
Pad Thickness" A"
Wear Limit "B"
- 29-
Polyethylene
7
Alminium
191 mm (7.52 in)
7.3 mm (0.287 in)
1.0 mm (0.039 in)