TF 250-X (2026)

Built to Win.
Sharper power, faster launches, and race-honed control - built to push harder and win bigger.
CLASS-LEADING POWER TO WEIGHT - 48 PS peak power at 13,500rpm
FACTORY-LEVEL KYB SUSPENSION - Factory-level damping out of the box
PERFORMANCE TECH - Launch control, traction control, quickshifter, dual engine maps
RACE-DEVELOPED CHASSIS - Lightweight aluminium frame and linkage tuned for control - giving you razor-sharp control and class-leading balance on track.
Race-developed Linkage System
Engineered in collaboration with factory riders to deliver precise suspension performance across all track conditions.
New Clutch Hub (EXEDY)
Smoother, tougher clutch action that stands up to race abuse - giving you consistent, confident launches and gear changes, moto after moto.
New MY26 Graphics Kit
Bold Triumph Performance Yellow design - making sure you stand out at the gate and on the podium.
Neken Yokes & Protaper Bars
Factory-level controls that combine durability with pro-spec rider feedback and comfort.
Revised Suspension Settings
Sharper handling and improved stability straight out of the box - ready to attack every track, every condition.
New Battery Tray
Refined for quicker maintenance and improved reliability - because race days are no place for downtime.

ENGINE
The MY26 TF 250-X's high-performance single delivers explosive power with championship-ready control.
- Forged Performance Internals
- Mass-Optimised Layout
- Dell'Orto Fuel System
- Advanced Engine Management
- Efficient Cooling
- Exedy Clutch + 5-Speed Gearbox
- Quickshifter

CHASSIS
Designed for balance, stiffness, and strength, the MY26 TF 250-X chassis is race-proven.
- Aluminium Spine Frame
- Fabricated Swingarm
- Optimised Linkage System
- D.I.D Final Drive

SUSPENSION
Top-tier KYB suspension delivers adjustability and race-day precision.
- KYB AOS Forks
- KYB Piggyback Rear Shock
- Neken Yokes + ProTaper Bars
- ODI Grips

ELECTRONICS
Advanced systems help riders of every level push harder, ride smarter.
- Launch Control
- Traction Control
- Dual Engine Maps
- Sensor Dashboard
- Hour Meter

BRAKES & WHEELS
Lightweight, competition-grade hardware delivers total stopping control.
- Brembo Brakes + Galfer Discs
- D.I.D DirtStar Rims
- Pirelli MX32 Tyres
- Optional Disc Guard

High Tensile Steel Semi-Double Cradle Frame
The high-tensile steel frame is constructed from the same strong, lightweight, high-tech materials as the bigger KX Motocross bikes to offer exceptional torsional rigidity for great handling. Reinforced downtube adds strength and durability. The engine and chassis bolts feature a rust-resistant coating.
ENGINE & TRANSMISSION | |
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Type | Single Cylinder 4-Stroke SOHC |
Capacity | 449.5 cc |
Bore | 95 mm |
Stroke | 63.4 mm |
Compression | 13.1:1 |
Max Power EC | Dellorto Throttle Body, Athena EMS |
Max Torque EC | 221Nm @ 4,000rpm |
System | Ride-by-Wire, fuel injected |
Exhaust | Single Silencer |
Final Drive | Chain, 13/48 |
Clutch | Steel Wet Multi-Plate Belleville Spring, Hydraulic Actuation |
Gearbox | 6-speed |
CHASSIS | |
---|---|
Frame | Full aluminium frame |
Swingarm | Aluminium Fabrication |
Front Wheel | 21" x 1.6" |
Rear Wheel | 19" x 2.15" |
Front Tyre | 80/100 - 21 |
Rear Tyre | 110/90 - 19 |
Front Suspension | KYB 48mm Coil Spring Fork, Compression/Rebound Adjustment, 310mm Travel |
Rear Suspension | KYB Coil, Compression Adjustment (H and L Speed), Rebound Adjustment, 305mm Travel |
Front Brakes | Brembo Twin 24mm Piston, 260mm Disc |
Rear Brakes | Brembo Single 26mm Piston, 220mm Disc |
Instrument Display and Functions | Hour Meter, Multifunction Switch Cubes |
DIMENSIONS & WEIGHTS | |
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Width Handlebars | 836 mm |
Height Without Mirror | 1270 mm |
Seat Height | 960 mm |
Wheelbase | 1492 mm |
Rake | 27.4 ° |
Trail | 116 mm |
Wet Weight | 108.6 kg |
Tank Capacity | 7L |