Key performance
Technical specifications
- Compression ratio
- 14.4 : 1 → 14.4:1
- Bore × stroke
- 78 x 52,3 mm → 78.0 x 52.3 mm (3.1 x 2.1 inches)
- Valves/cylinder
- 4 → 2
- Fuel system
- Injection Ø 44 mm → Carburettor
- Valve timing
- — → Double Overhead Cams/Twin Cam (DOHC)
- Starter
- — → Electric
- Frame
- poutre centrale et double berceau en alu → Aluminium, Spine
- Gearbox
- boîte à 5 rapports → 5-speed
- Final drive
- Chaîne → Chain (final drive)
- Clutch
- — → Wet Multi-Plate Belleville Spring
- Front suspension
- Fourche téléhydraulique inversée Ø 48 mm, déb : 310 mm → KYB 48mm (1.88in) Coil Spring Fork, Compression/Rebound Adjustment
- Rear suspension
- Mono-amortisseur, déb : 305 mm → KYB Coil, Compression Adjustment (H and L Speed), Rebound Adjustment
- Front wheel travel
- — → 310 mm (12.2 inches)
- Rear wheel travel
- — → 305 mm (12.0 inches)
- Front brakes
- Freinage 1 disque Ø 260 mm, étrier 2 pistons → Double disc. Brembo Twin 24mm (0.94in) Piston,
- Rear brakes
- Freinage 1 disque Ø 220 mm, étrier simple piston → Single disc. Brembo Single 26mm (1.02in) Piston,
- Wheelbase
- — → 1492.00 mm
- Width
- — → 836.00 mm
- Height
- — → 1270.00 mm
- Weight
- 104.00 kg → 103.90 kg
Engine
- Displacement
- 250 cc
- Engine type
- Monocylindre, 4 temps
- Cooling
- liquide
- Compression ratio
- 14.4:1
- Bore × stroke
- 78.0 x 52.3 mm (3.1 x 2.1 inches)
- Valves/cylinder
- 2
- Camshafts
- 2 ACT
- Fuel system
- Carburettor
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC)
- Starter
- Electric
Chassis
- Frame
- Aluminium, Spine
- Gearbox
- 5-speed
- Final drive
- Chain (final drive)
- Clutch
- Wet Multi-Plate Belleville Spring
- Front suspension
- KYB 48mm (1.88in) Coil Spring Fork, Compression/Rebound Adjustment
- Rear suspension
- KYB Coil, Compression Adjustment (H and L Speed), Rebound Adjustment
- Front wheel travel
- 310 mm (12.2 inches)
- Rear wheel travel
- 305 mm (12.0 inches)
Brakes
- Front brakes
- Double disc. Brembo Twin 24mm (0.94in) Piston,
- Rear brakes
- Single disc. Brembo Single 26mm (1.02in) Piston,
- Front tyre
- 80/100-21
- Rear tyre
- 100/90-19
Dimensions
- Seat height
- 960.00 mm
- Wheelbase
- 1492.00 mm
- Width
- 836.00 mm
- Height
- 1270.00 mm
- Fuel capacity
- 7.00 L
- Weight
- 103.90 kg
- New price
- 11 195 €
Overview
Triumph is finally entering the motocross arena, and it’s not coming empty-handed. Imagine a brand so steeped in road history planting its flag in the dirt. This isn’t just a statement of intent; it’s a full-on assault, embodied by this TF 250-X. To achieve this, the British didn't just design a motorcycle in isolation; they enlisted legends like Ricky Carmichael and Ivan Cervantes. The result? A pure competition machine, designed without compromise, aiming directly for the top of the rankings. With a new type of aluminum frame and an equally unprecedented engine, the ambition is clear: to create a benchmark, not just a competitor.

Let’s talk about that beating heart, because the **Triumph TF 250-X’s power** will be key to victory. Its 250 cc four-stroke single-cylinder engine is a modern work of art, with its titanium valves, magnesium cases, and forged piston. The exact power figure remains a closely guarded secret, but Triumph promises the best power-to-weight ratio in the category. And to pilot it, that’s where things get smart. The MX Tune Pro application offers complete control, with more than ten maps that can be modified in real time. You can fine-tune the injection and ignition from your smartphone, a game-changing feature to adapt to a track or riding style. This level of personalization was once reserved for factory teams not so long ago.
The chassis, a central aluminum beam, is designed to be both stiff and communicative. With an announced weight of 104 kg fully fueled, the TF 250-X has the shoulders to be agile and voracious in direction changes. The equipment, for its part, is a dream catalog for any track rider: fully adjustable KYB fork and shock, Brembo brakes, DirtStar rims, and Pirelli tires. Everything is there, as standard. And for those who want to go further, Triumph already offers competition accessories, such as a titanium Akrapovic exhaust or an Athena launch control module. The **Triumph TF 250-X’s technical specifications** resemble a shopping list from a factory team.

Who is it for? Clearly for the demanding motocross rider, whether an informed amateur or professional, who is looking for a machine ready to win, without having to go through the “preparation” box. The price of €11,195 places the TF 250-X in the big leagues, against the established KTM, Husqvarna, and Yamaha. It’s a high entry ticket, but it is justified by the quality of the components and the overall approach. Because Triumph is not just selling a motorcycle; it is building an ecosystem with a network of specialized MX dealerships and a 24/7 mobile-optimized parts service. An organization designed to ensure that the rider lacks nothing, even at the edge of the track.

So, successful bet? On paper, absolutely. The **Triumph TF 250-X** has everything to dethrone the queens of the segment. It combines a bold technical approach, high-end equipment, and a solid support strategy. Remains to be seen how this single-cylinder will perform in real life, against competitors honed by decades of development. But one thing is certain: the motocross world has just received a new contender for the throne, and it has no intention of playing a cameo role. History is being written, and it promises to be electrifying.
Standard equipment
- Aide au départ arrêté (Launch Control)
- Contrôle de traction
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