Yamaha YZ250(W)/W1, Owner'S Service Manual

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MAINTENANCE SPECIFICATIONS
SPEC
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 454 mm (17.9 in)
←
449 mm (17.7 in)
Spring rate, STD K=4.2 N/mm
←
…
(0.428 kg/mm,
24.0 lb/in)
Optional spring Yes
←
…
Oil capacity 527 cm 3 532 cm 3
…
(18.6 Imp oz, (18.7 Imp oz,
17.8 US oz) 18.0 US oz)
Oil grade Suspension oil
←
…
“S1”
Inner tube outer diameter 48 mm (1.89 in)
←
…
Front fork top end Zero mm (Zero in)
←
…
Rear suspension: USA, CDN, ZA,
EUROPE
AUS, NZ
Shock absorber travel 131.5 mm (5.18 in)
←
…
Spring free length Approx. 265 mm
← …
(10.43 in)
Fitting length
One I.D. mark 253 mm (9.96 in) 252 mm (9.92 in)
…
Two I.D. marks 259 mm (10.20 in) 258 mm (10.16 in)
…
Three I.D. marks 250.5 mm (9.86 in) 249.5 mm (9.82 in) …
<Min.~Max.>
One I.D. mark 245.5 ~ 263.5 mm
← …
(9.67 ~ 10.37 in)
Two I.D. marks 251.5 ~ 269.5 mm
←
…
(9.90 ~ 10.61 in)
Three I.D. marks 243.0 ~ 261.0 mm
←
…
(9.57 ~ 10.28 in)
Spring rate, STD K=48.0 N/mm
←
…
(4.90 kg/mm,
274.4 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)
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