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
3-34
TIRE PRESSURE CHECK/SPOKES INSPECTION AND
TIGHTENING/WHEEL INSPECTION
INSP
ADJ
EC36Q001
TIRE PRESSURE CHECK
1. Measure:
9
Tire pressure
Out of specification → Adjust.
NOTE:
9
Check the tire while it is cold.
9
Loose bead stoppers allow the tire to slip off its
position on the rim when the tire pressure is
low.
9
A tilted tire valve stem indicates that the tire
slips off its position on the rim.
9
If the tire valve stem is found tilted, the tire is
considered to be slipping off its position.
Correct the tire position.
EC36S002
SPOKES INSPECTION AND TIGHTENING
1. Inspect:
9
Spokes 1
Bend/Damage → Replace.
Loose spoke → Retighten.
2. Tighten:
9
Spokes
NOTE:
Be sure to retighten these spokes before and af-
ter break-in. After a practice or a race check
spokes for looseness.
EC36T000
WHEEL INSPECTION
1. Inspect:
9
Wheel runout
Elevate the wheel and turn it.
Abnormal runout → Replace.
Standard tire pressure:
100 kPa (1.0 kgf/cm
2
, 15 psi)
3 Nm (0.3 m•kg, 2.2 ft•lb)
1C3-28199-10 83 04.5.17, 9:21:02 PM