The 2009 Yamaha YZ450F is a highly regarded motocross motorcycle, part of Yamaha's renowned YZ-F series that has been a dominant force in off-road racing for years. This model year features a liquid-cooled, four-stroke, single-cylinder engine in a dirt bike body style. While specific trims are minimal for this model, its reputation for potent performance and race-ready capabilities makes it a perennial favorite among dirt bike enthusiasts. New pricing in 2009 was in the typical range for high-performance motocross bikes, around $7,000-$8,000, with used prices varying significantly based on condition.
The Good
The 2009 YZ450F excels with its explosive engine performance and agile handling, thrilling riders with its competitive edge. Its robust Yamaha build speaks to reliability, while the purposeful design prioritizes rider control and comfort during intense rides, offering a powerful blend of emotion and practicality.
The Bad
Owners should be aware of potential valve seat wear and occasional clutch issues with the 2009 YZ450F. Overheating can be a concern if the cooling system isn't meticulously maintained. The aggressive power delivery, while a strength, can also be challenging for novice riders.
2009 Yamaha YZ450F: Quick Overview
- Engine Options: Single engine option: Liquid-cooled, 4-stroke, DOHC, 4-valve, single-cylinder.
- Displacement: 449cc.
- Bore x Stroke: 95mm x 63.4mm.
- Compression Ratio: 12.3:1.
- Fuel Induction: Keihin FCRMX 37 carburetor.
- Ignition: CDI.
- Transmission: Constant-mesh 5-speed.
- Clutch: Wet, multiple-disc.
- Final Drive: Chain.
- Suspension Front: Independent double wishbone (This is incorrect for a YZ450F; it should be: KYB Speed Sensitive System (SSS) inverted telescopic fork, fully adjustable).
- Suspension Rear: Independent double wishbone (This is incorrect for a YZ450F; it should be: KYB single shock with adjustable spring preload, compression and rebound damping).
- Brakes Front: Hydraulic disc.
- Brakes Rear: Hydraulic disc.
- Tires Front: 80/100-21.
- Tires Rear: 110/90-19.
- Length: 85.2 inches.
- Width: 32.3 inches.
- Height: 50.0 inches.
- Seat Height: 39.2 inches.
- Wheelbase: 58.1 inches.
- Ground Clearance: 14.2 inches.
- Fuel Capacity: 1.9 gallons.
- Oil Capacity: 1.16 U.S. quart.
- Wet Weight: 241.6 lbs.
- Horsepower: Estimated around 54-56 hp (manufacturer does not officially publish horsepower figures for motocross bikes).
- Fuel Economy: Not applicable or measurable in traditional terms for off-road racing motorcycles. Usage is based on riding style and track conditions, typically measured in hours per tank rather than MPG.
- 0-60 Times: Not applicable or measurable for motocross motorcycles. Performance is measured by lap times and acceleration on varied terrain.
- Towing Capacity: Not applicable.
- Trim-Level Features: The 2009 YZ450F is essentially a single, high-performance trim. Key features include its powerful engine, advanced KYB suspension for superior handling and absorption, lightweight aluminum frame for agility, powerful braking system, and race-oriented ergonomics designed for optimal rider control and comfort during aggressive riding.
2009 Yamaha YZ450F Specifications
Vehicle Information
| Year | 2009 |
| Make | Yamaha |
| Model | YZ450F |
| Trim | - |
| Style | - |
| Type | Motorcycle |
| Category | Motorcycle |
Manufacturing Details
| Made In | Japan |
| Manufacturing City | HAMAMATSU |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 449-CC |
| Engine Size | 449L |
| Engine Cylinders | 1 |
| Transmission | - |
| Transmission Type | - |
| Transmission Speeds | - |
| Drivetrain | - |
Additional Features
| Anti-Brake System | - |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | - |
| Invoice Price | - |
| Delivery Charges | - |
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What Problems Does the 2009 Yamaha YZ450F Have?
The 2009 Yamaha YZ450F, like many high-performance motocross bikes, can encounter specific issues that owners should be aware of. One commonly reported concern across several model years, including 2009, is the potential for premature valve seat wear. This can manifest as a loss of compression or the bike becoming difficult to start. Regular valve checks and adjustments are crucial maintenance items. Another area that some owners report issues with is the clutch, which can wear out faster than expected under aggressive riding conditions, leading to slipping. It's important to use high-quality clutch components and follow proper maintenance schedules. The cooling system, while generally robust, can become a point of failure if not properly maintained. Overheating can lead to more significant engine damage, so ensuring coolant levels are correct and the radiator is clean and free of debris is vital. While Yamaha generally has a strong reputation for reliability, the intense nature of motocross riding places significant stress on all components. There were no widespread recalls issued specifically for the 2009 YZ450F that indicated a major design flaw. However, the longevity of any motocross bike heavily depends on the owner's maintenance habits. Bikes that are raced frequently and not thoroughly cleaned, lubed, and inspected after every ride are more prone to developing problems over time. For example, dirt ingress into bearings or pivot points can accelerate wear. Engines that are consistently pushed to their limits without proper break-in periods or regular oil changes can suffer accelerated internal wear. Therefore, while the underlying engineering is sound, individual unit reliability can vary significantly based on usage and care. It is wise to have a pre-purchase inspection done on any used YZ450F, paying close attention to the condition of the engine, suspension, and drivetrain.
How long will the 2009 Yamaha YZ450F last?
Estimating average mileage for a motocross bike like the 2009 Yamaha YZ450F is challenging as they are often measured in engine hours rather than miles, and usage varies wildly from casual trail riding to professional racing. However, a well-maintained YZ450F used for recreational purposes could reasonably see 5-10 years of service, potentially racking up the equivalent of several thousand miles if ridden consistently. The engine, with proper care including regular top-end rebuilds (piston, rings, valves) and oil changes, can last a considerable time. The frame and chassis are generally durable. Long-term weaknesses, as mentioned, often revolve around the valve seats, clutch wear, and the stress placed on suspension components and bearings due to aggressive riding and impacts. Neglecting maintenance will drastically shorten its service life.
What Technology & Safety Features are Included?
The 2009 Yamaha YZ450F is a purpose-built motocross machine, and as such, its approach to technology, entertainment, and safety features is fundamentally different from that of a street-legal vehicle. It prioritizes performance and rider feedback above all else. Consequently, you won't find any infotainment systems, Bluetooth connectivity, or digital displays in the conventional sense. The "tech" is entirely mechanical and performance-oriented. Key technological aspects include its advanced KYB Speed Sensitive System (SSS) front forks and rear shock, which offer extensive adjustability to tailor suspension performance to rider weight, style, and track conditions. This is a significant piece of performance technology designed to maximize traction and control. The fuel delivery is managed by a Keihin FCRMX 37 carburetor, a well-regarded system for its responsiveness and reliability in this era. Safety features are limited to robust mechanical components designed for off-road abuse. This includes powerful hydraulic disc brakes front and rear for confident stopping power, and durable knobby tires for optimal grip on dirt surfaces. There are no driver-assistance features, as it is a two-wheeled vehicle operated by a single rider requiring constant manual input. Entertainment is derived solely from the visceral experience of riding and the challenge of the terrain. Crash-test ratings are not applicable or conducted for off-road competition motorcycles. The design inherently focuses on strength and rider protection through its robust construction and the rider's own protective gear. Optional features might include aftermarket exhaust systems for enhanced power, different handlebar setups for ergonomics, or upgraded graphics for aesthetics, but these are not factory-installed tech packages. The focus is on raw, mechanical performance and rider engagement.
What Colors Options are Available?
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2009 Yamaha YZ450F Prices and Market Value
When new, the 2009 Yamaha YZ450F had an MSRP in the range of $7,000 to $7,500. Like most performance vehicles, it experienced significant depreciation in its initial years. However, for dirt bikes, especially popular models like the YZ450F, depreciation tends to plateau after the first few years, especially for well-maintained examples. Currently, used 2009 YZ450F prices can range anywhere from $1,500 to $3,500, heavily dependent on the condition, hours ridden, maintenance history, and whether it has been raced extensively or used for casual trail riding. Factors affecting resale value include the presence of aftermarket modifications (especially performance enhancements), the condition of the plastics and decals, the state of the engine and suspension (indicating recent rebuilds or significant wear), and overall cleanliness and care. A stock, well-cared-for model will generally command a higher price than a heavily modified or neglected one.
2009 Yamaha YZ450F Cost of Ownership
Owning a 2009 Yamaha YZ450F involves specific costs. Insurance is typically optional for dirt bikes, but if obtained, it's generally affordable. Fuel costs depend on usage, but being a carbureted 450cc engine, it is relatively efficient for its class. Maintenance and repair are where costs can escalate. Regular oil changes, air filter cleaning, chain lubrication, and valve checks are essential. Engine rebuilds (top-end) every 50-100 hours of hard riding can be a significant expense. Clutch replacements and suspension service also add up. Overall, while not prohibitively expensive for fuel, the 2009 YZ450F is a costly vehicle to own if maintained properly for peak performance, especially if used for racing. It is not an economical choice compared to simpler, smaller displacement bikes.
2009 Yamaha YZ450F Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2009 Yamaha YZ450F Warranty
Basic
Original warranty
0 months / No data
Estimated remaining
Expired
Powertrain
Original warranty
0 months / No data
Estimated remaining
Expired
Rust
Original warranty
0 months / No data
Estimated remaining
Expired
2009 Yamaha YZ450F Insurance
Insurance for a 2009 Yamaha YZ450F is moderately priced, reflecting its status as a Motorcycle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2009 Yamaha YZ450F Compare to Other Motorcycle?
The 2009 Yamaha YZ450F competed in the premier 450cc motocross class against formidable rivals such as the Honda CRF450R, Kawasaki KX450F, and Suzuki RM-Z450. In terms of performance, the YZ450F was renowned for its potent, torque-rich engine that offered strong, usable power across the rev range, making it a favorite for riders who appreciated brute force. Its handling was generally praised for its stability and plush suspension feel, attributed to Yamaha's signature KYB SSS components. Honda's CRF450R often led in terms of sharp cornering and a more nimble chassis, while Kawasaki's KX450F was known for its broader powerband and rider-friendly ergonomics. Suzuki's RM-Z450 often stood out for its exceptional cornering ability and sharp handling. Features were broadly similar across these top-tier bikes, focusing on performance-oriented suspension, powerful brakes, and lightweight chassis designs. Reliability was a strong suit for Yamaha, with the YZ-F line generally considered robust and well-built, though specific model years could have individual quirks as discussed. Price-wise, these top-tier motocross bikes were closely grouped, with the YZ450F often sitting in the competitive range of $7,000-$7,500 when new. For similar alternatives in the 2009 model year, the aforementioned Honda CRF450R, Kawasaki KX450F, and Suzuki RM-Z450 are direct competitors offering comparable performance and features, with differences often boiling down to rider preference and riding style. If seeking a slightly different character, the KTM 450 SX-F, though often more expensive, offered potent power and premium components. For a buyer prioritizing a more refined, potentially more user-friendly power delivery and a reputation for strong mid-range grunt in that era, the 2009 YZ450F remains a very solid choice. However, if razor-sharp cornering is the absolute priority, the RM-Z450 might be a slightly better pick. For overall balance and a strong reputation for durability, the YZ450F is a champion.
Final Verdict: Is the 2009 Yamaha YZ450F a Good Motorcycle?
The 2009 Yamaha YZ450F is ideally suited for experienced motocross riders and aggressive off-road enthusiasts who appreciate a powerful, torque-rich engine and a stable, confidence-inspiring ride. It's an excellent choice for those looking to compete or simply enjoy challenging trail riding. It is absolutely worth buying, particularly on the used market, provided it has been reasonably well-maintained. Buying used is the only realistic option now. When considering a purchase, prioritize models with documented maintenance history, especially regarding engine hours and any top-end rebuilds. While specific trims are not a factor, a stock or lightly modified bike with good suspension and frame integrity is preferable. For riders seeking a potent and reliable machine that offers a thrilling experience, the 2009 YZ450F remains a capable and sought-after dirt bike.
Simon A
Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.