2026 Yamaha YZ450F
Yamaha’s flagship motocross machine, the YZ450F, receives significant updates for the 2026 model year, reflecting a renewed engineering focus as the brand targets success across MX1 racing categories globally. Key upgrades include a newly designed frame, revised suspension, and refined engine performance.
To commemorate Yamaha’s 70th anniversary, the 2026 YZ range will also be offered in special edition ‘SP’ variants, featuring distinctive styling elements.
Standard models are scheduled to arrive in Australian dealerships from August, with SP anniversary editions to follow in November.
The 2026 YZ450F will sell for $15,749 with the SP model attracting only a $200 premium.
Engine and Intake Enhancements
The 2026 YZ450F benefits from a redesigned intake port engineered to produce a stronger tumble effect within the combustion chamber. This improves combustion efficiency, resulting in a more linear throttle response and enhanced rider connection between input and rear wheel output.
In line with updated FIM/AMA noise regulations, Yamaha has introduced a new air intake resonator and duct, along with an integrated exhaust system resonator, to effectively reduce noise emissions without compromising performance.
A new hydraulic clutch improves rider comfort and control, delivering smoother, more consistent engagement with reduced effort and no need for on-track adjustments. The revised inner hub design also distributes lubrication over a larger area, contributing to more stable operation and extended component life.
New Chassis and Suspension
At the heart of the 2026 model’s evolution is a completely reworked frame that prioritizes a refined rigidity balance. A revised inner and outer frame structure, including a thinner front downtube, is claimed to help provide a more planted feel at the front end, improving overall stability and enhancing cornering performance.
Paired with the new frame is a revised KYB suspension package, including a redesigned rear shock and updated fork settings. These changes are claimed deliver improved damping response and reduced harshness over bumps, enabling greater rider confidence and reduced fatigue during extended motos.
A new hand-operated low-speed compression clicker on the shock adds convenience for quick trackside tuning.
Design & Ergonomics
Styling revisions for 2026 offer both form and function. These include a slimmer front number plate, two-piece side covers, a sharper rear fender, and updated YZ graphics. A new honeycomb-pattern seat cover aids rider mobility by maintaining ease of forward movement while improving grip under acceleration.
Industry-First Security Feature
A notable addition to the 2026 YZ450F is an industry-first ECU lock function, integrated into the Yamaha Power Tuner app. This feature allows owners to prevent unauthorised engine start-up by enabling a password-protected lockout, enhancing theft deterrence.
2026 YZ450F Specifications
- Engine – 450 cc single-cylinder DOHC
- Bore x Stroke – 97 x 60.8 mm
- Compression Ratio – 13.0:1
- Induction – EFI, 44 mm Mikuni
- Gearbox – Five-speed
- Clutch – Hydraulic wet multi-plate
- Front Suspension – KYB spring-type fork with speed sensitive damping; fully adjustable, 310mm travel
- Rear Suspension – KYB single shock; fully adjustable, 295mm travel
- Front Brake – 270 mm rotor, Nissin caliper
- Rear Brake – 250 mm
- L x W x H – 2175 x 825 x 1275 mm
- Seat Height – 965 mm
- Wheelbase – 1475 mm
- Rake – 27.3°
- Trail – 123 mm
- Minimum Ground Clearance – 345 mm
- Fuel Capacity – 6.2 Litres
- Wet Weight – 110 kg (with fuel and all fluids)
- YZ450F Price & Availability – $15,749 available August
- YZ450FSP Price & Availability – $15,949 available November
