Yamaha YZ125 2019 Owner's Service Manual page 37

CHASSIS
Item
Steering system:
Steering bearing type
Front suspension:
Front fork travel
Fork spring free length
Spring rate, STD
Optional spring
Oil capacity
Oil grade
Inner tube outer diameter
Front fork top end
Rear suspension:
Shock absorber travel
Spring free length
Fitting length
Preload length
<Min.–Max>
Spring rate, STD
Optional spring
Enclosed gas pressure
Swingarm:
Swingarm free play limit
End
Side clearance
Wheel:
Front wheel type
Rear wheel type
Front rim size/material
Rear rim size/material
Rim runout limit:
Radial
Lateral
MAINTENANCE SPECIFICATIONS
Standard
Taper roller bearing
300.0 mm (11.81 in)
454.0 mm (17.87 in)
K=4.10 N/mm (0.42 kg/mm, 23.41 lb/in)
Yes
3
510.0 cm (17.99 Imp oz, 17.24 US oz)
Yamaha Suspension Oil S1
48 mm (1.9 in)
5 mm (0.2 in)
131.5 mm (5.18 in)
260.0 mm (10.24 in)
252.0 mm (9.92 in)
1.5–18 mm (0.06–0.71 in)
K=46.00 N/mm (4.69 kg/mm, 262.66 lb/
in)
Yes
2
1,000 kPa (10.0 kg/cm
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Spoke wheel
Spoke wheel
21 × 1.60/Aluminum
19 × 1.85/Aluminum
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2-6
Limit
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449.0 mm
(17.68 in)
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, 142.2 psi) ----
1.0 mm
(0.04 in)
0.2–0.9 mm
(0.01–0.04
in)
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2.0 mm
(0.08 in)
2.0 mm
(0.08 in)