Name: Yamaha F100A
Brand: Yamaha
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4-12

FUEL

CARBURETOR

EXPLODED DIAGRAM

4 × 10 mm

5 × 16 mm

REMOVAL AND INSTALLATION CHART

Step Procedure/Part name Q’ty Service points

ELECTROTHERMAL VALVE UNIT

DISASSEMBLY

Follow the left “Step” for removal.

1 Screw 3

2 Fuel enrichment valve housing 1

3 O-ring 2

4 O-ring 1

5 O-ring 1

6 Screw 1

Default Chapter4
- How to Use this Manual4
- Symbols10
Inspection Periodique Et Reglage11
- Index12
- Table of Contents13
- General Information14
Chapter 116
Identification16
- Serial Number16
- Starting Serial Numbers16
Safety While Working18
- Fire Prevention18
- Ventilation18
- Self-Protection18
- Oils, Greases and Sealing Fluids18
- Good Working Practices20
- Disassembly and Assembly22
Special Tools24
- Measuring24
- Outillage Special25
- Removal and Installation26
Chapitre 2 Specifications D'entretien39
- Moteur39
- Bloc de Propulsion45
  - Electrical46
  - Systeme Electrique47
Dimensions50
- Tightening Torques52
Couples de Serrage53
- Antriebseinheit53
- Motor53
- Elektrische Anlage55
- General Tightening Torques56
Torsión de Apriete General57
- Hose Routing58
Enrutamiento de Mangueras59
- Periodic Inspection and Adjustment60
Chapter 362
Maintenance Interval Chart62
- Cowling Hook66
- Fuel Filter Inspection66
- Fuel Line66
- Fuel System66
- Periodic Service Cowling66
- Carburetor Check and Adjustment68
- Control System68
- Carburetor Pickup Timing Check and Adjustment72
- Shift Cable Adjustment74
- Throttle Cable Adjustment76
- Cooling System78
- Cooling Water Flow78
- Engine Oil Level78
- Engine Oil/Oil Filter Replacement78
- Power Unit78
- Timing Belt80
- Valve Clearance Adjustment82
- Power Trim and Tilt (PTT) System88
- PTT Fluid88
- Gear Oil90
- Lower Unit90
- Anodes92
- General92
- Lower Unit Leakage Check92
- Battery94
- Spark Plugs96
- Compression Pressure Measurement98
- Oil Pressure Measurement100
  - Lubrication Points102
  - Fuel System104
Systeme105
- Fuel Hose and Fuel Filter Exploded Diagram106
- Removal and Installation Chart106
- Fuel Pumps Exploded Diagram110
- Fuel Pump Inspection116
- Service Points116
- Control Unit Exploded Diagram118
- Intake Assy. Exploded Diagram122
- Carburetor Exploded Diagram130
- Carburetor Assembly138
- Carburetor Inspection138
- Power Unit142
Moteur143
Motor143
- Flywheel Magneto Exploded Diagram146
- Flywheel Magneto Removal148
- Service Points148
- Flywheel Magneto Installation150
- Valves Exploded Diagram194
Valves196
- Service Points198
- Valve Inspection198
- Cylinder Head Inspection200
- Valve Guide Inspection200
- Valve Spring Inspection200
- Valve Seat Inspection202
- Valve Installation204
- Lower Unit238
Bloc de Propulsion239
- Lower Unit Exploded Diagram242
Chapter 6246
- Propeller Removal246
- Propeller Inspection246
- Propeller Installation246
- Service Points246
Shimming284
- Pinion Gear Shim284
- Shim Selection (for USA and Canada)284
- Forward Gear Shim286
- Pinion Gear Shim292
- Shim Selection (for Worldwide)292
- Forward Gear Shim294
- Measuring the Backlash298
- Forward Gear300
- Bracket Unit302
Unite de Support303
- Shift Actuator Assy. Exploded Diagram306
- Bottom Cowling Exploded Diagram310
- Upper Case Assy. Exploded Diagram316
- Oil Pan Exploded Diagram326
- Steering Bracket Exploded Diagram330
- Clamp Bracket Exploded Diagram334
- Swivel Bracket Exploded Diagram338
- Power Trim and Tilt (PTT) Unit Exploded Diagram340
- PTT Motor, Pump Housing, and Tilt Cylinder Exploded Diagram344
- Tilt Rod Assy. Exploded Diagram348
- Cylinder End Screw Inspection358
- Tilt Rod Assy. and Inner Cylinder Removal358
- Tilt Rod Assy. and Inner Cylinder Installation360
- Pump Housing Exploded Diagram362
- Gear Pump Exploded Diagram368
- PTT Motor Exploded Diagram372
- Motor Inspection376
- PTT Motor Assembly378
- Air Bleeding380
- PTT Fluid Filling380
- PTT Unit380
- Electrical Systems384
Equipement385
- Electrical Components (Starboard View)388
- Electrical Components (Port View)390
- Electrical Components (Front View)392
- Electrical Components (Rear View)394
Wire Harness396
- Digital Circuit Tester398
Electrical Analysis398
- Peak Voltage Adaptor398
- Peak Voltage Measurement398
- Test Harness400
Ignition System402
- Ignition Spark Gap404
- Ignition System Peak Voltage406
- Spark Plug Lead Assy.410
Ignition Control System412
- Engine Temperature Sensor414
- Oil Pressure Switch414
- Pick-Up Coils414
- Throttle Position Sensor (TPS)416
Starting System418
- Fuses420
- Starter Relay420
- Wire Connections420
- Starter Motor Exploded Diagram422
- Armature Inspection430
- Pinion Gear Inspection430
- Pinion Gear Removal430
- Brush Holder Inspection432
- Starter Motor432
- Relay (Magnetic Switch)434
- Charging System436
- Charging System Peak Voltage438
- Enrichment Control System440
- Electrothermal Valve442
- Power Trim and Tilt (PTT) Control System444
- PTT Relays446
- Trailer Switch448
- Trim Sensor448
- Trouble Analysis450
- Trouble Analysis Chart452
Antriebseinheit457
Motorhalterung457
Störungssuche457
Trbl459
- Wiring Diagram460

Brand	Yamaha
Model	F100A
Category	Outboard Motor
Language	English

Yamaha F100A Service Manual

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