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
3-30
REAR SHOCK ABSORBER SPRING PRELOAD
ADJUSTMENT
INSP
ADJ
EC36M014
REAR SHOCK ABSORBER SPRING
PRELOAD ADJUSTMENT
1. Elevate the rear wheel by placing the suit-
able stand under the engine.
2. Remove:
9
Rear frame
3. Loosen:
9
Locknut 1
4. Adjust:
9
Spring preload
By turning the adjuster 2.
NOTE:
9
Be sure to remove all dirt and mud from around
the locknut and adjuster before
adjustment.
9
The length of the spring (installed) changes 1.5
mm (0.06 in) per turn of the adjuster.
cC
Never attempt to turn the adjuster beyond
the maximum or minimum setting.
5. Tighten:
9
Locknut
6. Install:
9
Rear frame (upper)
9
Rear frame (lower)
Stiffer → Increase the spring preload.
(Turn the adjuster
2
in.)
Softer → Decrease the spring pre-
load. (Turn the adjuster
2
out.)
Extent of adjustment
240.5~258.5 mm
(9.47~10.18 in)
Spring length (installed)
a
:
Standard length
252 mm (9.92 in)
*248 mm (9.76 in)
*For EUROPE
32 Nm (3.2 m•kg, 23 ft•lb)
29 Nm (2.9 m•kg, 21 ft•lb)
1C3-28199-10 79 04.5.17, 9:20:52 PM