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
4-8
ENG
CARBURETOR AND REED VALVE
EC468000
CARBURETOR DISASSEMBLY
Extent of removal Order Part name Q’ty Remarks
CARBURETOR DISASSEMBLY
1 Mixing chamber top 1
2 Throttle valve 1 Refer to “REMOVAL POINTS”.
3 Needle holder 1
4 Jet needle 1
5 Float chamber 1
6 Needle jet cover 1
7 Float pin 1
8 Float 1
9 Valve seat 1
0 Main jet 1
q Main jet holder 1
w Pilot jet 1
e Starter plunger 1
r Throttle stop screw 1
t Pilot air screw 1
Extent of removal: 1
Carburetor disassembly
1
4 Nm (0.4 m•kg, 2.9 ft•lb)
1C3-28199-10 97 04.5.17, 9:21:36 PM