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Yamaha T9.9W User Manual

Yamaha T9.9W
201 pages
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Yamaha T9.9W Specifications

General IconGeneral
Prop Shaft Horsepower9.9 HP
Fuel Tank Capacity12 L
Starting SystemManual
Gear Ratio2.08:1
Full Throttle RPM Range5000-6000 RPM
Fuel Induction SystemCarburetor
SteeringTiller
Gear ShiftF-N-R
ExhaustThrough propeller
Displacement212cc
Max Output9.9hp
Alternator Output6A

Summary

HOW TO USE THIS MANUAL

MANUAL FORMAT AND STRUCTURE

Describes manual organization, illustrations, and specifications introduction.

WARNINGS, CAUTIONS AND NOTES

SAFETY AND OPERATIONAL GUIDELINES

Covers important warnings, cautions, and notes for safe operation.

HOW TO READ DISASSEMBLY

SYMBOLS AND TERMINOLOGY EXPLANATION

Explains symbols and terms for disassembly procedures.

CHAPTER 1 GENERAL INFORMATION

IDENTIFICATION AND SAFETY

Covers model identification, serial numbers, and working safety.

SPECIAL TOOLS FOR MAINTENANCE

Lists and describes specialized tools needed for service.

CHAPTER 2 SPECIFICATIONS

GENERAL AND MAINTENANCE SPECIFICATIONS

Covers general, maintenance, and torque specifications for various models.

CHAPTER 3 PERIODIC INSPECTION AND ADJUSTMENT

PERIODIC SERVICE MAINTENANCE SCHEDULE

Schedule for routine maintenance based on operating hours.

ENGINE AND GEAR OIL SERVICE

Procedures for checking and replacing engine and gear oil.

SPARK PLUG, TIMING BELT, AND VALVE ADJUSTMENT

Covers spark plug inspection, timing belt checks, and valve clearance adjustment.

VARIOUS SYSTEM ADJUSTMENTS

Details adjustments for cables, neutral, idle speed, and ignition timing.

CHAPTER 4 FUEL SYSTEM

FUEL SYSTEM OVERVIEW AND COMPONENTS

Covers fuel lines, fuel pump, fuel strainer, and preparation for removal.

CARBURETOR SERVICE AND ADJUSTMENT

Details carburetor components, inspection, and adjustments.

CHAPTER 5 POWER UNIT

POWER UNIT REMOVAL AND REASSEMBLY

Steps for removing and reassembling the power unit.

ENGINE INTERNAL COMPONENTS SERVICE

Details service procedures for cylinder, piston, crankshaft, and related parts.

RECOIL STARTER SERVICE

Covers recoil starter removal, inspection, and installation.

CHAPTER 6 LOWER UNIT

LOWER UNIT REMOVAL AND INSPECTION

Covers lower unit components, removal, and inspection procedures.

SHIM SELECTION AND BACKLASH MEASUREMENT

Procedures for selecting gear shims and measuring backlash.

CHAPTER 7 BRACKET UNIT

COWLING, BRACKET, AND STEERING HANDLE SERVICE

Covers cowling, bracket unit, and steering handle removal and assembly.

CHAPTER 8 ELECTRICAL SYSTEM

ELECTRICAL COMPONENTS AND WIRING DIAGRAMS

Illustrates electrical components and wiring for different models.

ELECTRICAL ANALYSIS AND SYSTEM CHECKS

Procedures for performing electrical tests and system checks.

IGNITION, STARTING, AND CHARGING SYSTEMS

Details on ignition, starting, and charging systems service.

CHAPTER 9 TROUBLE ANALYSIS

TROUBLE ANALYSIS CHART AND GUIDELINES

Provides a chart for diagnosing common problems and their solutions.

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