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
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5-50
CHAS
STEERING
EC564101
Bearing and bearing race
1. Wash the bearings and bearing races with a
solvent.
2. Inspect:
9
Bearing 1
9
Bearing race
Pitting/Damage → Replace bearings and
bearing races as a set.
Install the bearing in the bearing races. Spin
the bearings by hand. If the bearings hang up
or are not smooth in their operation in the
bearing races, replace bearings and bearing
races as a set.
EC565000
ASSEMBLY AND INSTALLATION
EC5651A0
Under bracket
1. Install:
9
Bearing (lower) 1
NOTE:
Apply the lithium soap base grease on the dust
seal lip and bearing inner circumference.
2. Install:
9
Bearing race
9
Bearing (upper) 1
9
Bearing race cover 2
NOTE:
Apply the lithium soap base grease on the bear-
ing and bearing race cover lip.
3. Install:
9
Under bracket 1
NOTE:
Apply the lithium soap base grease on the bear-
ing, the portion a and thread of the steering
shaft.
1
a
1C3-28199-10 213 04.5.17, 9:28:36 PM