Yamaha TT-R125(S), Owner'S Service Manual

Page: 88 / 610

SPEC
2 - 15
MAINTENANCE SPECIFICATIONS
EC212201
CHASSIS
TT-R125/TT-R125E
Item Standard Limit
Steering system:
Steering bearing type (upper) Angular bearing ----
(lower) Taper roller bearing ----
Front suspension:
Front fork travel 180 mm (7.09 in) ----
Fork spring free length 327 mm (12.87 in) 322 mm (12.68 in)
Spring rate, STD K = 3.00 N/mm
(0.310 kg/mm, 17.4 lb/in) ----
Optional spring/spacer No ----
Oil capacity 159 cm
3
(5.60 Imp oz, 5.38 US oz)
----
Oil level 122 mm (4.80 in) ----
Oil grade Fork oil 10W or equivalent ----
Inner tube outer diameter 30 mm (1.18 in) ----
Front fork top end Zero mm (Zero in) ----
Rear suspension:
Shock absorber travel 65 mm (2.56 in) ----
Spring free length (TT-R125) 175 mm (6.89 in) ----
(TT-R125E) 178 mm (7.01 in) ----
Fitting length 165 mm (6.50 in) ----
Spring rate, STD (TT-R125) K = 48.1 N/mm
(4.9 kg/mm, 274 lb/in) ----
(TT-R125E) K = 50.5 N/mm
(5.1 kg/mm, 286 lb/in) ----
Optional spring No ----
Enclosed gas pressure 1,500 kPa
(15 kg/cm
2
, 213 psi)
----
Wheel:
Front wheel type Spoke wheel ----
Rear wheel type Spoke wheel ----
Front rim size/material 17
×
1.40/Steel ----
Rear rim size/material 14
×
1.60/Steel ----
Rim runout limit:
Radial ---- 2.0 mm (0.08 in)
Lateral ---- 2.0 mm (0.08 in)
Drive chain:
Type/manufacturer DID428HD/DAIDO ----
Number of links 116 links ----
Chain slack 35 ~ 50 mm (1.4 ~ 2.0 in) ----
Chain length (10 links) ---- 121.4 mm
(4.78 in)