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Yamaha XT660Z 2008 User Manual

Yamaha XT660Z 2008
399 pages
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SERVICE MANUAL
2008
11D-F8197-E0
XT660Z

Table of Contents

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Yamaha XT660Z 2008 Specifications

General IconGeneral
Displacement660 cc
Bore x Stroke100.0 mm x 84.0 mm
Compression Ratio10.0:1
Fuel SystemFuel Injection
IgnitionTCI
Transmission5-speed
Final DriveChain
Front SuspensionTelescopic forks
Rear SuspensionSwingarm (link suspension)
Front Tire90/90-21
Rear Tire130/80-17
Seat Height895 mm
Wet Weight206 kg
Dry Weight183 kg
StarterElectric
Front Suspension Travel210 mm
Rear Suspension Travel200 mm
Width865 mm
Wheelbase1, 505 mm
Engine TypeLiquid-cooled, 4-stroke, single cylinder, 4-valves, SOHC
Max Power35.0 kW (48 PS) @ 6, 000 rpm
Rear BrakeSingle disc
Fuel Capacity23 liters

Summary

General Information

Identification

Provides details on vehicle identification number and model label location.

Features

Outlines the vehicle's key features, including the Fuel Injection system.

Important Information

Details preparation for removal/disassembly, replacement parts, and handling of specific components.

Checking the Connections

Provides a step-by-step guide for checking electrical connections for rust, stains, and moisture.

Special Tools

Lists necessary special tools with part numbers and reference pages for various procedures.

Specifications

General Specifications

Lists overall dimensions, weight, and load capacity of the vehicle.

Engine Specifications

Details engine type, displacement, bore, stroke, compression, and oil/fuel related specs.

Chassis Specifications

Covers frame, wheels, tires, brakes, steering, and suspension specifications.

Electrical Specifications

Lists specifications for voltage, ECU, ignition, charging, battery, and lighting systems.

Tightening Torques

Provides general and engine-specific tightening torque values for fasteners.

Lubrication Points and Lubricant Types

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

Cooling System Diagrams

Illustrates the cooling system components and their flow paths.

Lubrication Chart

A chart summarizing lubrication points and intervals for engine and chassis.

Lubrication Diagrams

Visual diagrams showing oil flow for engine lubrication.

Cable Routing

Illustrates the correct routing for cables, leads, and hoses on the motorcycle.

Periodic Checks and Adjustments

Periodic Maintenance

Provides a schedule for regular maintenance tasks based on odometer reading and annual checks.

Engine Maintenance

Details checks and adjustments for engine components like valve clearance and idling speed.

Chassis Maintenance

Covers checks and adjustments for brakes, chain, steering head, and front fork.

Electrical System

Ignition System

Covers circuit diagram and troubleshooting for the ignition system.

Electric Starting System

Details the circuit diagram and troubleshooting for the electric starter system.

Charging System

Provides circuit diagram and troubleshooting for the battery charging system.

Lighting System

Includes circuit diagram and troubleshooting for headlights, taillights, and signals.

Signaling System

Covers circuit diagram and troubleshooting for horn, turn signals, and brake lights.

Cooling System

Provides circuit diagram and troubleshooting for the engine cooling fan system.

Immobilizer System

Details the immobilizer system circuit diagram, general info, and troubleshooting.

Electrical Components

Lists and describes various electrical components and their checks.

Troubleshooting

General Information

Provides a guide to basic troubleshooting procedures and refers to relevant sections.

Starting Failures

Lists common causes for engine starting failures related to engine, fuel, and electrical systems.

Incorrect Engine Idling Speed

Details potential causes for incorrect engine idling speed related to engine and fuel systems.

Poor Medium and High-Speed Performance

Lists potential causes for poor engine performance at medium and high speeds.

Faulty Gear Shifting

Identifies causes for difficult gear shifting, referring to clutch drags.

Faulty Clutch

Covers causes for clutch slips and drags, including assembly and oil issues.

Overheating

Lists potential causes for engine overheating across engine, cooling, fuel, chassis, and electrical systems.

Overcooling

Identifies potential causes for engine overcooling, primarily related to the thermostat.

Poor Braking Performance

Lists common causes for poor braking performance related to pads, discs, fluid, and hoses.

Faulty Front Fork Legs

Details causes for front fork oil leaks and general malfunctions.

Unstable Handling

Lists factors affecting vehicle handling, including handlebar, steering head, and front fork issues.

Faulty Lighting or Signaling System

Troubleshooting for issues with headlights, turn signals, brake lights, and horn.

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