The YZ450FX’s slim, flat, compact body eases rider movement for improved control, including seamless, rounded features from seat edges and side covers to the narrow fuel tank and front shroud. The rider triangle is also designed to provide increased legroom between the seat and foot pegs for enhanced rider comfort.
Review – Key Features – Features & Benefits – Specifications
2026 Yamaha YZ450FX: VICTORY: THE ULTIMATE WOODS RACER.
Introducing the new 2026 Yamaha YZ450FX…
The premier XC racer built to compete straight out of the box, the YZ450FX takes off‑road performance to the next level.
Based on the benchmark-setting YZ450F motocrosser, the YZ450FX is designed to dominate cross country competition. With its lightweight chassis, powerful engine, exceptional rider ergonomics, and Yamaha’s groundbreaking next-generation Power Tuner app, the YZ450FX is ready to make fast riders even
450cc DISPLACEMENT
251 lb WET WEIGHT
37.6 in SEAT HEIGHT
57.9 in WHEEL BASE
2026 Yamaha YZ450FX Totalmotorcycle.com Key Features
- New four-level Traction Control selectable within the Yamaha Power Tuner App maintains ideal rear wheel traction. The Traction Control
- System communicates wheel slip to the ECU, tuning the engine to maintain ideal rear wheel traction
- A new industry-first ECU lock function prevents theft and unauthorized engine start-up via a password-required lock.
- Yamaha’s groundbreaking Power Tuner App is revised with more features and designed to be even more user-friendly
- The Traction Control System communicates wheel slip to the ECU, tuning the engine to maintain ideal rear wheel traction
- A compact, lightweight, and durable clutch air intake
High Performance 450cc Four-Stroke Engine
The YZ450FX’s thrilling liquid-cooled DOHC four-stroke engine is renowned for its broad power character and ease-of-use, with ECU settings tailored to enhance both low-end tractability and top-end power.
Industry-Leading Yamaha Power Tuner App
Like having factory team support in your pocket, Yamaha’s groundbreaking next-generation Power Tuner App is even more user-friendly with an intuitive “Simple Tuning” slide bar for quick engine mapping selections, new four-level Traction Control, a lap timer, and helpful engine and suspension tuning guides. Best of all, it’s free-of-charge.
Advanced Aluminum Bilateral Beam Frame
The advanced aluminum bilateral beam frame with YZ450FX-specific engine mounts provides just the right amount of strength and flex for the perfect balance of straight-line stability and cornering performance. The result is a better handling machine with lighter feel, more agility and increased traction, allowing the rider to tackle tight, technical courses with greater confidence.
Class-Leading Suspension
World renowned suspension performance straight out of the box. High-spec fully adjustable Speed Sensitive System KYB® coil spring-type fork provides exceptional bump absorption, and now features toolless compression clickers for easy adjustment and fork covers to help prevent debris damage. The linkage-type rear suspension features a KYB® shock with cross-country focused damping characteristics to match the YZ450FX’s refined chassis.
Ergonomics Designed for Control
The YZ450FX’s slim, flat, compact body eases rider movement for improved control, including seamless, rounded features from seat edges and side covers to the narrow fuel tank and front shroud. The rider triangle is also designed to provide increased legroom between the seat and foot pegs for enhanced rider comfort.
2026 Yamaha YZ450FX Totalmotorcycle.com Features and Benefits
NEW FOR 2026
A new industry-first ECU lock function helps prevent theft and unauthorized engine start-up via a password-required lock.
New four-level Traction Control selectable within the Yamaha Power Tuner App maintains ideal rear wheel traction.
ENGINE
Compact, lightweight and durable clutch assembly yields smooth engagement and excellent feel.
The YZ450FX features a compact electric starter system to minimize restart delays and add convenience.
Tri-shaft transmission layout vertically stacks the transmission shafts for a lighter, more compact transmission.
A wide-ratio 5-speed transmission is geared for cross country, from tight technical single track to high speed open sections.
Lightweight handlebar-mounted switchgear allows the rider to quickly select between preloaded engine maps.
A convenient “Simple Tuning” slide bar further simplifies engine mapping within the Power Tuner App.
Yamaha’s industry-leading Power Tuner App offers the ability to tune air/fuel mixture and ignition timing to suit rider preference.
An advanced fuel injection system uses a 44mm throttle body to ensure optimum fuel atomization and air/fuel calibration.
ECU settings are tailored to suit the specific needs of cross country and enduro competition.
Engine features include a reversed cylinder head layout, forged aluminum piston, titanium valves and dry sump lubrication.
The YZ450FX’s advanced four-stroke engine is light, compact and renowned for its incredibly broad pulling power.
CHASSIS/SUSPENSION
Fully adjustable Speed Sensitive KYB® fork delivers exceptional balance between handling and bump absorption.
Premium Dunlop® Geomax MX33 tires achieve an ideal balance of traction and durability.
The YZ450FX’s 18-inch rear wheel comes laced with a three-cross-spoke pattern for improved impact absorption and rider feel.
Premium Excel® wheels are strong, lightweight and reduce unsprung weight without sacrificing durability.
Wide foot pegs with lightweight aluminum alloy mounting brackets provide additional control and comfort.
Tapered aluminum handlebars are secured to four-position adjustable handlebar mounts.
The rider triangle is designed to provide increased legroom between the seat and foot pegs for enhanced rider comfort.
The YZ450FX’s slim, flat, compact body eases rider movement for improved control.
Large 270mm front and 240mm rear discs combine with Nissin calipers to provide exceptional stopping power and control.
A linkage-type rear suspension with KYB® shock features specially-tuned damping characteristics to match the chassis.
The fork now includes a hand-adjustable knob for easy compression adjustments.
An advanced aluminum bilateral beam frame strikes the perfect balance of precise cornering performance and handling stability.
ADDITIONAL FEATURES
Sleek air cleaner cover provides tool-free access to the air filter for simplified servicing.
Premium competition-inspired graphics are embedded to provide excellent durability and scratch resistance.
Other enduro-specific features include a 2.1-gallon fuel tank with warning indicator, composite engine guard and sealed drive chain.
Additional features include a PVC handlebar pad, seamless seat cover, updated switchgear and a folding aluminum kickstand.
*Manufacturer’s Suggested Retail Price (MSRP) shown. Does not include tax, title, prep or destination charges. Actual prices set by dealer.
**Fuel Economy is estimated.
***Wet weight includes the vehicle with all standard equipment and all fluids, including oil, coolant (as applicable) and a full tank of fuel. It does not include the weight of options or accessories. Wet weight is useful in making real-world comparisons with other models.
2026 Yamaha YZ450FX – Totalmotorcycle.com USA Specifications/Technical Details
US MSRP Price: $10,199 USD
Canada MSRP Price: $12,399 CDN
Europe/UK MSRP Price: £ NA GBP (On The Road inc 20% Vat)
ENGINE
| Engine Type | 450cc liquid-cooled DOHC 4-stroke; 4 titanium valves |
| Bore x Stroke | 97.0mm × 60.9mm |
| Compression Ratio | 13.0:1 |
| Fuel Delivery | Mikuni® fuel injection, 44mm |
| Transmission | 5-speed; multiplate wet clutch |
| Final Drive | Chain |
| Fuel Capacity | 2.1 gal |
CHASSIS
| Suspension/Front | KYB® spring-type fork with speed sensitive damping; fully adjustable, 11.8-in travel |
| Suspension/Rear | KYB® single shock; fully adjustable, 12.0-in travel |
| Brakes/Front | Hydraulic disc, 270mm |
| Brakes/Rear | Hydraulic disc, 240mm |
| Tires/Front | 80/100-21 Dunlop® Geomax MX33F |
| Tires/Rear | 120/90-18 Dunlop® Geomax MX33 |
DIMENSIONS
| LxWxH | 85.4 in x 32.5 in x 49.8 in |
| Seat Height | 37.6 in |
| Wheelbase | 57.9 in |
| Rake (Caster Angle) | 27° |
| Trail | 4.8 in |
| Max. Ground Clearance | 13.0 in |
| Fuel Capacity | 2.1 gal |
| Wet Weight*** | 251 lb |
OTHER
| Warranty | 30 Day (Limited Factory Warranty) |
*Manufacturer’s Suggested Retail Price (MSRP) shown. Does not include tax, title, prep or destination charges. Actual prices set by dealer.
**Fuel Economy is estimated.
***Wet weight includes the vehicle with all standard equipment and all fluids, including oil, coolant (as applicable) and a full tank of fuel. It does not include the weight of options or accessories. Wet weight is useful in making real-world comparisons with other models.
2026 Yamaha YZ450FX – Totalmotorcycle.com Canada Specifications/Technical Details
Engine
| Engine | Liquid-cooled, DOHC, 4-valve (titanium), single |
| Displacement | 450 cc |
| Bore and Stroke | 97 x 60.8 mm |
| Compression Ratio | 13.0:1 |
| Fuel Delivery | Mikuni 44 mm throttle body F.I. |
| Lubrication | Wet sump |
| Ignition / Starting | TCI / Electric |
| Transmission | Constant mesh, 5-speed |
| Final Drive | Chain |
Chassis
| Suspension (Front) | Fully adjustable 48 mm inverted KYB fork / 300 mm (11.8 in.) wheel travel |
| Suspension (Rear) | Fully adjustable linkage-type / 305 mm (12.0 in.) wheel travel |
| Brakes (Front) | 270 mm, floating disc / twin-piston caliper |
| Brakes (Rear) | 240 mm, disc / single-piston caliper |
| Tires (Front) | 80/100-21 |
| Tires (Rear) | 120/90-18 |
Critical Data
| Length | 2,169 mm (85.4 in.) |
| Width | 825 mm (32.5 in.) |
| Height | 1,265 mm (49.8 in.) |
| Wheelbase | 1,471 mm (57.9 in.) |
| Ground Clearance | 330 mm (13.0 in.) |
| Seat Height | 955 mm (37.6 in.) |
| Fuel Capacity | 7.95 litres (2.1 Imp. gal.) |
| Wet Weight | 113.9 kg (251 lb) |
| Colour(s) | Team Yamaha Blue |
2026 Yamaha YZ450FX – Totalmotorcycle.com European Specifications/Technical Details
NA
Manufacturer Specifications and appearance are subject to change without prior notice on Total Motorcycle (TMW).
