2006 Yamaha YZ450F(W) Service Manual

This 2006 Yamaha YZ450F(W) service manual details engine, chassis, electrical, and tuning procedures. PN 2S2-28199-81

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Document Details

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Document Number / Seller:
26128 / Melissa Phillips
File Size:
16.53 MB
File Type:
PDF
Language:
English, French, German
Pages:
650
Printable:
Yes
Category:
Bike
Last updated / verified
Oct 24, 2025

Models Covered & Key Technical Specifications

Yamaha YZ450F(W) (2006) (2S2-28199-81) - Precision Maintenance & Diagnostic Procedures Engineering-Archive | Specification Catalog File.

  • Nominal Alignment Specs: 26.8 deg is standardized to the caster angle Requirements.
  • Principal Wattage Specs: 120.2 mm defines the radiator core width Threshold.
  • Rated Operating Temps: For engine oil, SAE 10W-30 is specified as the recommended grade Configuration.
  • Calibrated Angular Speed: 1,900 ~ 2,100 r/min signifies the standard engine idling speed Benchmarks.
  • Documented Optical Resolution: 449 cm3 signifies the engine displacement Range.
  • Design Traction Specs: 100 kPa describes the tire pressure specification for optimal grip.

Manual Description & Preview

Authoritative Configuration Workshop Manual: Yamaha YZ450F(W) 2006 - Precision Maintenance & Diagnostic Procedures Engineering-Archive

Assembly-Group: YZ450FW (USA, CDN, AUS, NZ) / YZ450F (EUROPE, ZA) // System-Coverage: Bike / Motorcycle Logic // Validation-Data: 449 cm3 (15.8 Imp oz, 15.2 US oz) technical-details.

Integrated-Framework Diagnostic-Logic Validation-Data
Yamaha YZ450F(W) 2006 Model Year Part Number: 2S2-28199-81
Engine Type: Liquid cooled 4-stroke, DOHC Cylinder Arrangement: Single cylinder, forward inclined Starting System: Kick starter
Lubrication System: Dry sump Transmission Type: Constant mesh, 5-speed Ignition System: CDI magneto

Factory procedures are documented for General Information, Specifications, Regular Inspection and Adjustments, Engine, Chassis, Electrical, and Tuning.

Electrical system documentation covers CDI unit, magneto, ignition system, and TPS system.

Suspension service documentation covers front fork and rear shock absorber details.

Disassembly instructions are documented for the engine components like cylinder head, crankcase, and transmission.

Wear limits are specified for piston rings, valve springs, and clutch plates.

System operation descriptions cover throttle grip, clutch lever, and brake lever controls.

FAQ

Identify the **correct** service interval parameters for engine oil replacement? keyboard_arrow_down

0.95 L (0.84 Imp qt, 1.00 US qt) is the periodic oil change quantity; with oil filter replacement, it is 1.0 L (0.88 Imp qt, 1.06 US qt). The total amount is 1.2 L (1.06 Imp qt, 1.27 US qt).

What procedures **documented** the chassis system architecture? keyboard_arrow_down

131.5 mm (5.18 in) is the standard rear shock absorber travel, with an optional spring also listed. The spring free length is approximately 275 mm (10.83 in).

Determine the **precise** tool requirements for crankshaft installation? keyboard_arrow_down

YU-90050, 90890-01274 (Crankshaft installing tool), YU-90050, 90890-01275 (Crankshaft installing pot), YU-91044, 90890-04081 (Crankshaft installing bolt), and YU-90063, 90890-01278 (Spacer) are the specified tools for crankshaft installation.

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