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
4-49
ENG
WATER PUMP
EC4G3000
REMOVAL POINTS
EC4G3210
Oil seal
NOTE:
9
Replace the oil seal when transmission oil or
coolant leaks out from the water pump housing
hole at the bottom.
9
Do not reuse the removed bearing and oil seal.
1. Remove:
9
Bearing 1
2. Remove:
9
Oil seal (outside) 1
9
Oil seal (inside) 2
EC4G4000
INSPECTION
EC444200
Impeller shaft assembly
1. Inspect:
9
Impeller shaft assembly1
Bend/Wear/Damage → Replace.
Fur deposits → Clean.
1C3-28199-10 138 04.5.17, 9:23:30 PM