Yamaha YZ125 2015, Owner'S Service Manual

Page: 30 / 166

2-6
MAINTENANCE SPECIFICATIONS
CHASSIS
Item Standard Limit
Steering system:
Steering bearing type Taper roller bearing ----
Front suspension:
Front fork travel 300.0 mm (11.81 in) ----
Fork spring free length 454.0 mm (17.87 in) 449.0 mm
(17.68 in)
Spring rate, STD K=4.10 N/mm (0.42 kg/mm, 23.41 lb/in) ----
Optional spring Yes ----
Oil capacity 510.0 cm
3
(17.99 Imp oz, 17.24 US oz) ----
Oil grade Suspension oil "S1" ----
Inner tube outer diameter 48 mm (1.9 in) ----
Front fork top end 5 mm (0.2 in) ----
Rear suspension:
Shock absorber travel 131.5 mm (5.18 in) ----
Spring free length 260.0 mm (10.24 in) ----
Fitting length 252.0 mm (9.92 in) ----
Preload length
<Min.–Max> 1.5–18 mm (0.06–0.71 in) ----
Spring rate, STD K=46.00 N/mm (4.69 kg/mm, 262.66 lb/in) ----
Optional spring Yes ----
Enclosed gas pressure 1,000 kPa (10.0 kg/cm
2
, 142.2 psi) ----
Swingarm:
Swingarm free play limit
End ---- 1.0 mm (0.04
in)
Side clearance ---- 0.2–0.9 mm
(0.01–0.04 in)
Wheel:
Front wheel type Spoke wheel ----
Rear wheel type Spoke wheel ----
Front rim size/material 21 × 1.60/Aluminum ----
Rear rim size/material 19 × 1.85/Aluminum ----
Rim runout limit:
Radial ---- 2.0 mm (0.08
in)
Lateral ---- 2.0 mm (0.08
in)
Drive chain:
Type/manufacturer DID520DMA2 SDH/DAIDO ----
Number of links 111 links + joint ----
Chain slack 48.0–58.0 mm (1.89–2.28 in) ----
Chain length (15 links) ---- 242.9 mm
(9.56 in)