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
5-17
CHAS
FRONT BRAKE AND REAR BRAKE
EC5A5801
Caliper piston
1. Clean:
9
Caliper
9
Piston seal
9
Dust seal
9
Caliper piston
Clean them with brake fluid.
2. Install:
9
Piston seal 1
9
Dust seal 2
w
Always use new piston seals and dust
seals.
NOTE:
Fit the piston seals and dust seals onto the slot
on caliper correctly.
A Front
B Rear
3. Install:
9
Caliper piston 1
NOTE:
Apply the brake fluid on the piston wall.
cC
9
Install the piston with its shallow
depressed side
a
facing the caliper.
9
Never force to insert.
A Front
B Rear
EC5A5700
Front caliper
1. Install:
9
Pad support 1
9
Brake pad 2
9
Pad pin 3
NOTE:
9
Install the brake pads with their projections
a into the caliper recesses b.
9
Temporarily tighten the pad pin at this point.
1C3-28199-10 180 04.5.17, 9:26:07 PM