2011 Yamaha YZ450F(A) Motorcycle Service Manual
Your 2011 Yamaha YZ450F(A) troubleshooting and repair reference manual covers extensive diagrams, procedures, and specifications for optimal maintenance. Includes part number: 33D-28199-81-E0.
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Sample pages from the 2011 Yamaha YZ450F(A) Motorcycle Service Manual manual
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Yamaha Models Covered & Key Technical Specifications
Models: YZ450F(A), YZ450F Sub-models / Variants: USA, Canada, Europe, Australia, New Zealand, South Africa Trade Names: YZ450F Build Years: 2011 Serial Numbers: 33D5 (USA, CDN), 33D6 (EUROPE), 33D8 (AUS, NZ, ZA) Technical Data:
- Engine displacement: 449.7 cm3
- Engine type: Liquid-cooled 4-stroke, DOHC, single cylinder
- Bore x stroke: 97.0 x 60.8 mm
- Compression ratio: 12.5:1
- Transmission type: Constant mesh, 5-speed
- Starter type: Primary kickstarter
- Front tire size: 80/100-21 51M
- Rear tire size: 120/80-19 63M (USA, CDN, AUS, NZ, ZA) or 110/90-19 62M (EUROPE)
- Fuel type: Premium unleaded gasoline only
Yamaha Manual Features & Content Preview
2011 Yamaha YZ450F(A) Technical Scope
- Covers 2011 Yamaha YZ450F(A) motorcycles including US, Canadian, European, Australian, New Zealand, and South African variants equipped with the 449.7 cm³ liquid-cooled DOHC engine.
- Official Yamaha OEM publication P/N 33D-28199-81-E0, 2011 edition.
- Contains 8 distinct chapters ranging from General Information and Specifications to Fuel System, Electrical, and Tuning diagnostics.
- File link appears in your order confirmation straight away.
- Suitable for printing individual sections for shop-floor use.
- This 2011 edition is the official reference documenting the electronically controlled fuel injection system introduced for the YZ450F(A) series.
Manual Content Summary
This factory workshop documentation outlines procedures for maintenance and inspection of the Yamaha YZ450F(A) competition machine. The manual details engine disassembly, chassis adjustments, and electrical system diagnostics, including wiring diagrams and sensor reference values for the electronic fuel injection system.
The document structure provides technical insight into the YZ450F(A) engine assembly, including torque values for critical fasteners like the cylinder head, crankshaft, and balancer components. Coverage also extends to transmission maintenance, suspension adjustment for rebound and compression damping, and cooling system requirements, referencing specific capacities and pressure limits.
Specification Previews
The 2011 Yamaha YZ450F(A) service manual includes detailed specification tables for engine and chassis components. Cylinder head bolt torque values are documented in a multi-stage sequence, with final-stage angles of 150° specified in the engine assembly data. Valve clearance for the intake is listed at 0.10–0.15 mm in the cylinder head specification table. Coolant system capacity for the 2011 YZ450F is documented at 1.13 liters.
Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. An official 225-page Yamaha OEM workshop manual covering the 2011 YZ450F(A), documenting engine, chassis, electrical, and fuel-injection specifications for the 33D-series build.
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