Yamaha 30D - CARBURETOR; EXPLODED DIAGRAM

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4-4

FUEL

E

CARBURETOR

E31100-0

CARBURETOR

EXPLODED DIAGRAM

1

Throttle stop screw

2

Pilot screw

3

Collar

4

Pilot jet

5

Needle valve

6

Fuel pump

7

Float chamber

8

Drain screw

9

Float

0

Main jet

A

Main nozzle

Table of Contents

Default Chapter4
- How to Use this Manual4
- Important Information6
- Symbols10
- Index12
- Table of Contents14
- General Information14
Identification16
- Serial Number16
- Starting Serial Numbers16
Chapter 116
Safety While Working18
- Fire Prevention18
- Ventilation18
- Self-Protection18
- Oils, Greases and Sealing Fluids18
- Good Working Practices20
- Disassembly and Assembly22
- Measuring24
Special Tools24
- Outillage Special25
- 90890-0316927
- 90890-0675227
- 90890-0675427
- P/N. J-3929927
- P/N. Ym-3448727
- P/N. Yu-3999127
  - Removal and Installation28
  - Specifications32
Chapter 234
General Specifications34
Maintenance Specifications42
Caracteristiques D'entretien43
- Moteur43
- Bloc de Propulsion47
Daten53
- Dimensiones de la Ménsula53
- Dimensiones del Fuera de Borda53
Wartungdaten53
Especificaciones de Mantenimiento53
Tightening Torque54
Torsión de Apriete55
General Tightening Torque56
Torsiones de Apriete57
- Periodic Inspection and Adjustment58
Predelivery Service62
- Contents62
- Electric Wiring64
Chapter 364
- 25Jmh, 25Jmho, 30Dmh, 30Dmho64
- 30Dwh, 30Dwho66
- 25Jeo, 30Dmo, 30De, 30Deo68
- 25Jeto, 30Det, 30Deto70
- Fuel Line72
- Gear Oil Level74
- Operation of Controls and Moving Parts74
- Ignition Timing76
- Motor Exterior76
- Instructing the New Owner76
- Fuel Leakage76
- Water Leakage76
- Exhaust Leakage76
- Engine and Lower Unit Noise76
- Idle-Speed76
Periodic Service78
- Maintenance Schedule78
- Anode78
- Battery82
- Cylinder Head Bolts, Engine Mounting Bolts, and Flywheel Nut84
- Gear Oil84
- Oil-Injection Pump84
- Operational Test84
- Fuel Filter84
- Fuel Line84
Exploded Diagram134
CHAPTER 5 Preparation for Overhaul136
Removal136
Disassembly138
- Cylinder Head140
Inspection140
- Cleaning140
- Cylinder Block142
- Cleaning142
- Inspection142
- Bearing, Oil Seal, O-Ring and Oil Pump Drive Gear154
Assembly and Adjustment154
- Piston154
- Crank Cylinder Assembly156
- Small End Bearings and Piston Assembly156
- Cylinder Head and Exhaust Cover158
- Fuel System and Electrical System160
Installation160
- Intake Manifold160
- Reed Valve160
Preparation for Removal180
Disassembly180
- Bearing Housing190
- Claw-Washer190
- Gear Case190
Inspection190
- Ring-Nut190
- Water Pump Housing190
Assembly and Adjustment196
- Impeller and Cartridge Insert192
- Assembly196
- Gear Case198
- Reverse Gear Shim Selection198
- SHIM SELECTION (for USA and CANADA)202
Clamp Bracket (Except Ptt Model)254
Clamp Bracket (Ptt Model)260
- Swivel Bracket Exploded Diagram264
- Swivel Bracket Removal and Installation Chart264
- Tilt Rod Exploded Diagram268
- Tilt Rod Removal and Installation Chart268
- Service Points272
Chapter 8304
Electrical Components304
- Jeho, 30Dwh, 30Deho306
Wire Harness312
- Flywheel Magneto Removal316
- Flywheel Magneto Installation320
Electrical Analysis322
- Digital Circuit Tester322
- Peak Voltage Adaptor322
Ignition System326
- Peak Voltage Measurement322
- Ignition Spark Gap328
  - Ignition System Peak Voltage330
  - Engine Stop Switch332
Ignition Control System334
- Spark Plug Cap332
- Oil Level Gauge336
- Pulser Coil336
- Thermo Switch336
- Oil Level/Engine Temp. Warning Lamp338

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