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Yamaha TT-R90(P) User Manual

Yamaha TT-R90(P)
288 pages
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5HN-28199-82
TT-R90
(
P
)
OWNER’S SERVICE MANUAL
MANUEL D’ATELIER DU
PROPRIETAIRE
FAHRER- UND
WARTUNGS-HANDBUCH

Table of Contents

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Yamaha TT-R90(P) Specifications

General IconGeneral
Displacement89cc
Ignition SystemCDI
Final DriveChain
StarterElectric
Fuel SystemMikuni VM16 carburetor
Front SuspensionTelescopic fork
Engine TypeAir-cooled, 4-stroke, SOHC, 2-valve

Summary

INTRODUCTION

IMPORTANT NOTICE

SAFETY INFORMATION

Covers critical safety precautions and guidelines for operating the machine.

ILLUSTRATED SYMBOLS

GENERAL INFORMATION

DESCRIPTION

Identifies and labels the main parts and controls of the motorcycle.

MACHINE IDENTIFICATION

Details how to find and understand vehicle, engine, and model identification numbers.

IMPORTANT INFORMATION

Covers essential preparation steps for disassembly and general safety advice.

SPECIAL TOOLS

Lists and describes essential special tools required for maintenance and assembly.

CONTROL FUNCTIONS

SPECIFICATIONS

GENERAL SPECIFICATIONS

Provides overall dimensions, engine details, lubrication, fuel, and chassis specifications.

MAINTENANCE SPECIFICATIONS

Specifies limits and standards for engine components like cylinder head, cylinder, and camshaft.

GENERAL TORQUE SPECIFICATIONS

Lists standard torque values for common fasteners and guidelines for tightening.

REGULAR INSPECTION AND ADJUSTMENTS

MAINTENANCE INTERVALS

Provides a general guide for periodic maintenance and lubrication intervals.

PERIODIC MAINTENANCE AND LUBRICATION

Details scheduled maintenance tasks and lubrication points with recommended intervals.

PRE-OPERATION INSPECTION AND MAINTENANCE

Lists checks and maintenance to perform before riding for break-in, practice, or racing.

ENGINE

Covers engine maintenance procedures including oil, throttle cable, and air filter.

ENGINE

CARBURETOR

Details the removal procedure for the carburetor, listing all parts.

CYLINDER HEAD

Information on removing and installing the cylinder head.

CAMSHAFT AND ROCKER ARMS

Procedure for removing, inspecting, and installing camshaft and rocker arms.

VALVES AND VALVE SPRINGS

Steps for removing, inspecting, and installing valves and springs.

CHASSIS

FRONT WHEEL AND REAR WHEEL

Details the removal of the front wheel, including brake shoe plate assembly.

REAR WHEEL AND REAR BRAKE

Instructions for removing the rear wheel and brake components.

FRONT FORK

Details the removal of the front fork, including brake cable holder and adjuster.

STEERING

Details inspection and adjustment of the steering head for play and smooth action.

ELECTRICAL

ELECTRICAL COMPONENTS AND WIRING DIAGRAM

Lists electrical components and provides the wiring diagram with color codes.

IGNITION SYSTEM

Provides inspection steps for ignition system failure diagnosis.

CARBURETOR HEATING SYSTEM

Steps for checking the carburetor heating system for malfunctions.

MAINTENANCE RECORD

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