Yamaha YZ125N1 Motorcycle User Manual


 
2-7
SPEC
MAINTENANCE SPECIFICATIONS
EC212201
CHASSIS
Item Standard Limit
Steering system:
Steering bearing type Taper roller bearing
Front suspension: USA, CDN, ZA
EUROPE
AUS, NZ
Front fork travel
300 mm (11.8 in)
Fork spring free length
460 mm (18.1 in)
455 mm (17.9 in)
Spring rate, STD K=4.10 N/mm K=Approx.
(0.410 kg/mm, 4.10 N/mm
23.0 lb/in) (0.410 kg/mm,
23.0 lb/in)
Optional spring/Spacer Yes
Oil capacity 573 cm
3
(20.2 Imp oz,
19.4 US oz)
Oil level
135 mm (5.31 in)
<Min.~Max.> 80~150 mm
(From top of outer tube with inner tube
(3.15~5.91 in)
and damper rod fully compressed
without spring.)
Oil grade Suspension oil
“01”
Inner tube outer diameter 46 mm (1.81 in)
Front fork top end 5 mm (0.20 in)
Rear suspension: USA, CDN, ZA
EUROPE
AUS, NZ
Shock absorber travel
132 mm (5.20 in)
Spring free length
260 mm (10.24 in) 275 mm (10.83 in)
Fitting length
248 mm (9.76 in)
262 mm (10.31 in)
<Min.~Max.>
242~260 mm 257~275 mm
(9.53~10.24 in)
(10.12~10.83 in)
Spring rate, STD K=46.0 N/mm K=Approx.
(4.60 kg/mm, 48.0 N/mm
257.6 lb/in) (4.80 kg/mm,
268.8 lb/in)
Optional spring Yes
Enclosed gas pressure 1,000 kPa
(10 kg/cm
2
,
142 psi)
Swingarm:
Swingarm free play limit
End
1.0 mm (0.04 in)
Side clearance
0.2~0.9 mm
(0.008~0.035 in)
5MV-9-10-2 6/12/00 7:23 PM Page 2-7