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Yamaha YP400T, YP400V, YP400W User Manual

Yamaha YP400T, YP400V, YP400W
390 pages
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2005 - 2007
MOTORCYCLE
SERVICE MANUAL
Model : YP400T, YP400V, YP400W
5RU281972000
*5RU281972000*
Downloaded from www.ScooterTime.net

Table of Contents

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Yamaha YP400T, YP400V, YP400W Specifications

General IconGeneral
Displacement395cc
Bore x Stroke83.0 mm x 73.0 mm
Fuel SystemFuel Injection
Starter SystemElectric
TransmissionV-Belt Automatic
Front SuspensionTelescopic fork
Rear SuspensionSwingarm
Front BrakeDual hydraulic disc
Rear BrakeHydraulic disc
Front Tire120/70-15
Fuel Capacity14.0 L

Summary

How to Use This Manual

Symbols

Chapter 1 General Information

Scooter Identification

Details how to identify the scooter's model and serial numbers for reference.

Features

Outlines the main features and systems of the motorcycle, including the FI system.

Instrument Functions

Explains the multifunction display, indicators, and their operational functions.

Special Tools

Lists necessary special tools with part numbers for tune-up and assembly.

Chapter 2 Specifications

General Specifications

Lists general dimensions, weight, and load capacity of the motorcycle.

Engine Specifications

Covers detailed engine parameters, including displacement, compression, and fluid types.

Chassis Specifications

Details specifications for the frame, wheels, tires, and suspension systems.

Electrical Specifications

Outlines electrical system parameters, including voltage, battery, and lighting.

Tightening Torques

Specifies torque values for engine and chassis fasteners for correct assembly.

Lubrication Points and Lubricant Types

Identifies lubrication points and recommended lubricants for engine and chassis components.

Cable Routing

Illustrates the correct routing for various cables and hoses to prevent damage.

Chapter 3 Periodic Checks and Adjustments

Introduction

Provides an overview of the chapter's scope and importance of maintenance.

Periodic Maintenance Chart for the Emission Control System

Outlines required maintenance intervals for emission control system components.

General Maintenance and Lubrication Chart

Provides a comprehensive schedule for routine checks and lubrication tasks.

Cowling and Covers

Details the removal and installation procedures for body panels and seats.

Air Filter Cases

Covers the removal and inspection of air filter cases and related components.

Engine

Covers checks and adjustments for engine systems like valves, oil, and coolant.

Chassis

Addresses checks and adjustments for chassis components, including brakes and suspension.

Electrical System

Covers checks and maintenance for various electrical components.

Chapter 4 Chassis

Front Wheel and Brake Disc

Covers removal, inspection, and installation of the front wheel and brake disc assembly.

Rear Wheel and Brake Disc

Covers removal, inspection, and balancing of the rear wheel and brake disc.

Front and Rear Brakes

Details maintenance procedures for the front and rear brake systems.

Front Fork

High relevance for front suspension maintenance.

Handlebar

Medium relevance for ergonomics and control.

Steering Head

High relevance for chassis stability and control.

Rear Shock Absorber Assemblies and Swingarm

High relevance for rear suspension and chassis maintenance.

Chapter 5 Engine

Engine Removal

High relevance for engine service.

Camshafts

High relevance for engine valve train maintenance.

Cylinder Head

High relevance for engine internal maintenance.

Valves and Valve Springs

High relevance for engine valve train maintenance.

Cylinder and Piston

High relevance for engine internal components.

Belt Drive

High relevance for transmission system maintenance.

Starter Clutch and Generator

High relevance for starting and charging systems.

Oil Pump

High relevance for engine lubrication system.

Crankshaft

High relevance for engine internal components.

Transmission

High relevance for transmission system maintenance.

Chapter 6 Cooling System

Radiator

High relevance for cooling system maintenance.

Thermostat

High relevance for cooling system regulation.

Water Pump and Oil Cooler

High relevance for cooling system and lubrication.

Chapter 7 Fuel Injection System

Fuel Injection System

High relevance for engine control.

Throttle Body and Fuel Injector

High relevance for engine performance and control.

Air Induction System

Medium relevance for emission control.

Chapter 8 Electrical System

Electrical Components

High relevance for system identification.

Checking Switch Continuity

High relevance for switch diagnosis.

Checking the Switches

High relevance for switch inspection.

Checking the Bulbs and Bulb Sockets

Medium relevance for lighting system.

Ignition System

High relevance for engine operation.

Electric Starting System

High relevance for engine starting.

Starter Motor

High relevance for starting system maintenance.

Charging System

High relevance for battery charging.

Lighting System

High relevance for vehicle lighting.

Signaling System

High relevance for vehicle safety.

Cooling System

High relevance for engine temperature management.

Chapter 9 Troubleshooting

Starting Failure/Hard Starting

Guides on diagnosing and resolving issues related to engine starting problems.

Incorrect Engine Idling Speed

Covers potential causes and solutions for abnormal engine idling speeds.

Poor Medium-and-High-Speed Performance

Addresses performance issues experienced at medium to high engine speeds.

Faulty Clutch

Lists symptoms and causes related to clutch malfunctions and poor performance.

Overheating

Identifies common causes for engine overheating across various systems.

Poor Braking Performance

Lists potential causes for ineffective or degraded braking performance.

Faulty Front Fork Legs

Details issues related to front fork leg damage, oil leaks, and malfunctions.

Unstable Handling

Covers factors affecting vehicle stability, including steering and suspension.

Faulty Lighting or Signaling System

Guides for diagnosing and fixing problems with the vehicle's lighting and signaling systems.

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