2004-2009 Yamaha YFZ450S / YFZ450T / YFZ450V / YFZ450W / YFZ450SEW / YFZ450 Service Manual & Owner's Manual

This Yamaha YFZ450S/T/V/W/SEW/YFZ450 Service and Owner's Manual covers engine, chassis, electrical, and maintenance. Includes LIT-11626-18-11

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Document Details

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Document Number / Seller:
24206 / Peter King
File Size:
25.33 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
ATV
Last updated / verified
Apr 9, 2026

Models Covered & Key Technical Specifications

Technical Factory Reference Manual: Yamaha YFZ450S / YFZ450T / YFZ450V / YFZ450W / YFZ450SEW / YFZ450 Service Manual & Owner's Manual, ATV, years: 2004-2009 Technical-Guide Service Manual | Owner's Manual Archive

  • Prescribed Dimensional Limits: For component fitment, 230.0 mm rear wheel travel establishes the operational range Standards.
  • Documented Package Size: For storage capacity, 1.9 L signifies the reserve fuel volume Parameters.
  • Core Fastening Values: Engine mounting bolts require 4.6 kgm for secure attachment Norms.
  • Rated Charge Quantity: Battery voltage capacity is rated at 12 V, 6.5 Ah Topology.
  • Technical Voltage Specs: Headlight bulbs are rated at 12 V, 30 W each Architecture.
  • Advanced Weight Data: Basic vehicle weight with oil and full fuel tank is 169 kg Matrix.

Manual Description & Preview

Technical Factory Reference Manual: Yamaha YFZ450S / YFZ450T / YFZ450V / YFZ450W / YFZ450SEW / YFZ450 Service Manual & Owner's Manual, ATV, years: 2004-2009 Technical-Guide

Service-Level: Yamaha YFZ450S / YFZ450T / YFZ450V / YFZ450W / YFZ450SEW / YFZ450 // Service-Level: ATV / Recreational Logic // Service-Level: comprehensive technical-details.

Assessment-Parameter Value Calibration-Standards
Overall Length 1,840 mm 72.4 inches
Overall Width 1,170 mm 46.1 inches
Overall Height 1,090 mm 42.9 inches
Seat Height 800 mm 31.5 inches
Wheel Base 1,280 mm 50.4 inches
Ground Clearance 255 mm 10.04 inches

Cataloging major assemblies into engine, cooling system, carburetor, chassis, electrical, and troubleshooting sections.

Service intervals are documented for engine oil checks, coolant reservoir levels, and spark plug inspections.

Component locations are identified for the starter motor, ignition system, and lighting systems.

Service procedures are documented for drive chain slack adjustments, brake fluid replacement, and headlight beam adjustments.

Calibration requirements are specified for idle speed, throttle lever free play, and clutch lever free play.

Electrical system documentation covers fuse replacement and tail/brake light bulb replacement.

This manual documents torque specifications for wheel nuts to ensure proper thread engagement security.

FAQ

Does this technical service manual provide a comprehensive overview of the specifications and adjustment procedures for the 2004-2009 Yamaha YFZ450 series? keyboard_arrow_down

Manual includes chapters on machine identification, control functions, and periodic maintenance, covering technical data such as tire pressure specifications, fluid capacities, and shock absorber adjustment procedures.

Are there specific chapters in this PDF that detail the adjustment steps for the front and rear shock absorbers? keyboard_arrow_down

Chapter 4 contains detailed sections on front and rear shock absorber adjustment, including spring preload settings, rebound damping, and compression damping force parameters for the YFZ450T model.

Is this service and owner's manual provided in a digital format that includes the official maintenance records and limited warranty information? keyboard_arrow_down

Manual is provided as a downloadable PDF file which includes all chapters from the original publication, including maintenance record logs and ATV limited warranty sections for the 2004-2009 model range.

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