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
4-43
ENG
KICK AXLE, SHIFT SHAFT AND PRIMARY DRIVE
GEAR
4. Hook:
9
Torsion spring 1
NOTE:
Turn the torsion spring clockwise and hook into
the proper hole a in the crankcase.
EC4C5402
Kick idle gear
1. Install:
9
Kick idle gear 1
9
Plain washer 2
9
Circlip 3
NOTE:
Apply the transmission oil on the kick idle gear
inner circumference.
EC4C5503
Primary drive gear
1. Install:
9
Spacer 1
9
Primary drive gear 2
9
Bolt 3
NOTE:
Install the primary drive gear with its depressed
side toward you.
2. Install:
9
Primary driven gear
Refer to “CLUTCH AND PRIMARY DRI-
VEN GEAR” section.
3. Tighten:
9
Bolt (primary drive gear) 1
NOTE:
Place an aluminum plate a between the teeth of
the primary drive gear 2 and driven gear 3.
4. Install:
9
Dowel pin 1
9
Gasket [crankcase cover (right)] 2
48 Nm (4.8 m•kg, 35 ft•lb)
1C3-28199-10 132 04.5.17, 9:23:13 PM