Service manual
Table Of Contents
- Inroduction
- Yamaha Motor Corporation, USA YZ/WR Motorcycle Limited Warranty
- How to use this Manual
- Index
- Contents
- Chapter 1 General Information
- Chapter 2 Specifications
- Chapter 3 Regular Inspection and Adjustments
- Chapter 4 Engine
- Seat, Fuel Tank and Side Covers
- Exhaust Pipe and Silencer
- Radiator
- Carburetor and Reed Valve
- Cylinder Head, Cylinder and Piston
- Clutch and Primary Driven Gear
- Kick Axle, Shift Shaft and Primary Drive Gear
- YPVS Govenor
- Water Pump
- CDI Magneto
- Engine Removal
- Crankcase and Crankshaft
- Transmission, Shift Cam and Shift Fork
- Chapter 5 Chassis
- Chapter 6 Electrical
- Chapter 7 Tuning
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
465 mm (18.3 in)
← 460 mm (18.1 in)
Spring rate, STD K=4.1 N/mm K=4.0 N/mm
…
(0.418 kg/mm, (0.408 kg/mm,
23.4 lb/in) 22.8 lb/in)
Optional spring/Spacer Yes ←
…
Oil capacity 430 cm
3
435 cm
3
…
(15.1 Imp oz, (15.3 Imp oz,
14.5 US oz) 14.7 US oz)
Oil grade Suspension oil ←
…
“S1”
Inner tube outer diameter 48 mm (1.89 in) ←
…
Front fork top end 5 mm (0.2 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)
←
…
Fitting length
252 mm (9.92 in)
248 mm (9.76 in)
…
<Min.~Max.>
240.5~258.5 mm
←
…
(9.47~10.18 in)
Spring rate, STD K=46.0 N/mm ←
…
(4.70 kg/mm,
263.2 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)
1C3-28199-10 39 04.5.17, 9:19:37 PM