EasyManua.ls Logo

Yamaha WR450FB 2012 User Manual

Yamaha WR450FB 2012
392 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
2012-2015
OWNER’S SERVICE MANUAL
WR450FB
1DX-28199-10LIT-11626-25-58
WR450FB
2012
q
Read this manual carefully before operating this vehicle.
PRINTED ON RECYCLED PAPER PRINTED IN JAPAN
2012.01––1.4 × 1
!
(E)
1DX-28199-10_Hyoshi.indd 1 2012/01/19 16:15:01

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Yamaha WR450FB 2012 and is the answer not in the manual?

Yamaha WR450FB 2012 Specifications

General IconGeneral
Displacement449cc
Compression Ratio12.5:1
Transmission5-speed
Final DriveChain
Front BrakeHydraulic single disc brake, 250mm
Rear BrakeHydraulic single disc brake, 245mm
Front Tire80/100-21
Width32.5 in
Dry Weight249 lb
Fuel DeliveryElectronic Fuel Injection
Front SuspensionTelescopic fork, 11.8 in travel
Bore x Stroke97.0 mm x 60.8 mm

Summary

Safety Information

General Information

Starting and Break-In

Provides procedures for starting the engine and proper break-in techniques for longevity.

Specifications

Engine Specifications

Detailed technical specifications for the engine, including displacement, bore, stroke, and oil requirements.

Chassis Specifications

Technical details regarding the frame, wheels, tires, brakes, suspension, and drive chain.

Electrical Specifications

Technical data for the motorcycle's electrical system components like battery, ignition, and lighting.

Tightening Torques

Provides torque specifications for various fasteners and assemblies throughout the motorcycle.

Periodic Checks and Adjustments

Brake System Maintenance

Covers checking brake fluid, bleeding the system, and inspecting hoses and pads.

Tuning

Chassis

Front Brake

Detailed procedures for inspecting, replacing, and servicing the front brake system components.

Rear Brake

Detailed procedures for inspecting, replacing, and servicing the rear brake system components.

Front Fork

Detailed instructions for removing, disassembling, checking, and assembling the front fork legs.

Engine

Camshaft

Detailed procedures for removing, checking, and installing the camshaft and related parts.

Cylinder Head

Procedures for removing, checking, and installing the cylinder head assembly.

Valves and Valve Springs

Instructions for removing, checking, and installing valves, springs, and related components.

Cylinder and Piston

Procedures for removing, checking, and installing the cylinder, piston, and rings.

Clutch

Detailed instructions for removing, checking, and installing clutch components.

Oil Pump and Balancer Gear

Procedures for removing, checking, and installing the oil pump and balancer gear.

Generator and Starter Clutch

Procedures for removing, checking, and installing the generator and starter clutch.

Crankcase

Procedures for separating, disassembling, checking, and assembling the crankcase.

Crankshaft Assembly and Balancer Shaft

Procedures for removing, checking, and installing the crankshaft and balancer shaft.

Transmission

Procedures for removing, checking, and installing the transmission components.

Cooling System

Fuel System

Electrical System

Ignition System

Covers the circuit diagram, operation, and troubleshooting for the ignition system.

Electric Starting System

Explains the circuit diagram, operation, and troubleshooting for the electric starting system.

Charging System

Details the circuit diagram and troubleshooting for the battery charging system.

Fuel Injection System

Covers circuit diagrams, diagnostic tools, ECU functions, and troubleshooting for the FI system.

Troubleshooting

Starting Failures

Lists potential causes and checks for engine starting failures.

Faulty Clutch

Lists common causes for clutch slippage and dragging.

Poor Braking Performance

Lists common causes for reduced braking effectiveness.

Wiring Diagram

Related product manuals