Chassis Specifications - Yamaha YXR70FX Service Manual

EBS01003

CHASSIS SPECIFICATIONS

*1 For models equipped with panel wheels and oil damper shock absorbers
*2 For models equipped with cast wheels and oil damper shock absorbers
*3 For models equipped with cast wheels and gas-oil damper shock absorbers
*4 For models equipped with cast wheels, gas-oil damper shock absorbers, and overfenders
Item
Steering
Steering bearing type
Front suspension
Shock absorber stroke
Spring free length
Installed length
Spring rate (K1)
Spring stroke (K1)
Optional spring available
Rear suspension
Rear shock absorber assembly
Spring free length
Installed length
Spring rate (K1)
Spring rate (K2)
Spring stroke (K1)
Spring stroke (K2)
Optional spring available
Front wheel
Wheel type
Rim size
Rim material
Max. radial wheel runout
Max. lateral wheel runout
CHASSIS SPECIFICATIONS
Standard
Ball and race bearing
108.0 mm (4.25 in) *1, *2
110.0 mm (4.33 in) *3, *4
313.0 mm (12.32 in) *1, *2
336.6 mm (13.25 in) *3, *4
247.9 mm (9.76 in) *1, *2
260.5 mm (10.26 in) *3, *4
19.40 N/mm (1.98 kgf/mm, 110.77 lb/in)
0.0 ~ 108.0 mm (0.00 ~ 4.25 in) *1, *2
0.0 ~ 110.0 mm (0.00 ~ 4.33 in) *3, *4
No
81.0 mm (3.19 in) *1, *2
85.0 mm (3.35 in) *3, *4
328.0 mm (12.91 in) *1, *2
286.3 mm (11.27 in) *3, *4
273.2 mm (10.76 in) *1, *2
235.0 mm (9.25 in) *3, *4
44.10 N/mm (4.50 kgf/mm, 251.81 lb/in)
117.70 N/mm (12.00 kgf/mm,
672.07 lb/in) *1, *2
0.0 ~ 60.0 mm (0.00 ~ 2.36 in) *1, *2
0.0 ~ 85.0 mm (0.00 ~ 3.35 in) *3, *4
60.0 ~ 81.0 mm (2.36 ~ 3.19 in) *1, *2
No
Panel wheel *1
Cast wheel *2, *3, *4
12 × 6.0 AT
Steel *1
Aluminum *2, *3, *4
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2 - 12
SPEC
Limit
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2.0 mm
(0.08 in)
2.0 mm
(0.08 in)