2009 Yamaha YZ450F(Y) Owner's Service Manual
Comprehensive YZ450F(Y) service and repair reference covering adjustments, engine, chassis, electrical, and tuning procedures. Part Number: 34P-28199-80-E0.
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Models Covered & Key Technical Specifications
2009 Yamaha YZ450F(Y) Service Manual
This is the owner's service manual for the Yamaha YZ450F(Y) | Owner's Manual Edition.
- Maximum Capacity Limits: 449 cm3 establishes the engine displacement Architecture.
- Authorized Play Limits: For disassembly, 12 Nm dictates the torque for the oil filter element Standards.
- Fundamental Speed Rating: Maximum throughput reaches 300–375 cm3 Parameters.
- Specific Shipping Weight: The total amount specifies the approximate weight of the machine without fluid Logic.
- Critical System Volume: 40 Nm signifies the standard torque for the brake lever mounting nut Norms.
- Rated Technical Details: 7 Nm represents the torque specification for the lower bracket Pinch bolt Matrix.
Professional Workshop Service Manual & Technical Specifications
Essential Safety Technical Manual: Yamaha YZ450F(Y) (2009) Owner's Service Manual - Precision Maintenance & Tuning Reference System-Standards
Engineering-Metrics: 187 // Technical-Scope: Motorcycle / Engine Logic // Procedure-Type: Maintenance & Tuning Reference
Maintenance information covers:
- Engine oil specifications and change procedures.
- Valve clearance checks and adjustments.
- Carburetor settings and adjustments.
- Drive chain lubrication and adjustment.
- Front and rear brake servicing.
- Suspension settings for front and rear.
This manual provides detailed instructions for the maintenance, inspection, and repair of the Yamaha YZ450F(Y). It covers all systems and components, offering clear guidance for servicing. The documentation includes procedures for disassembly and reassembly of major parts. Torque specifications are documented for thread engagement security to ensure proper component function.
| Service-Nexus | Rating | Logic |
|---|---|---|
| Clutch Component Specifications | 8 | Clutch plate quantity is 8 Units |
| Carburetor Settings | #45 | Pilot jet standard is #45 Units |
| Front Brake Disc Thickness | 3.0 mm | Front brake disc thickness is 3.0 mm Units |
| Engine Oil Change | 0.95 L | Engine oil capacity for periodic change is 0.95 L Units |
| Rear Shock Absorber Spring | 4.5 | Soft spring rate is 4.5 Units |
| Drive Chain Slack | 50-60 mm | Drive chain slack is 50-60 mm Units |
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