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
3-6
INSP
ADJ
COOLANT REPLACEMENT
cC
Take care so that coolant does not splash
on painted surfaces. If it splashes, wash it
away with water.
1. Place a container under the engine.
2. Remove:
9
Coolant drain bolt 1
3. Remove:
9
Radiator cap
Drain the coolant completely.
4. Clean:
9
Cooling system
Thoroughly flush the cooling system with
clean tap water.
5. Install:
9
Copper washer
9
Coolant drain bolt
6. Fill:
9
Radiator
9
Engine
To specified level.
Recommended coolant:
High quality ethylene glycol
anti-freeze containing
anti-corrosion for
aluminum engine
Coolant
1
and water
(soft water)
2
mixing ratio:
50%/50%
Coolant capacity:
0.9 L (0.79 Imp qt, 0.95 US qt)
10 Nm (1.0 m•kg, 7.2 ft•lb)
1C3-28199-10 55 04.5.17, 9:20:00 PM