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Triumph Motorcycles Release Full Details of TF 250-X F Motocrosser

We’ve been waiting for the final spec of Triumph’s all-new dirt bike for what feels like an eternity, and now we finally have not just that but the bike’s name! Meet the Triumph TF 250-X.

Triumph is coming straight out of the gate making some big claims with the new TF 250-X. Designed and developed in-house by Triumph’s world-leading engineers in close collaboration with motocross champions such as Triumph ambassadors Ricky Carmichael and Iván Cervantes, the TF 250-X is said to sport a class-leading power-to-weight ratio and the highest specification components in the game.

While they haven’t given us an actual figure for how much power the all-new 249.95cc DOHC 4-stroke is putting down, we know it's running a high 14.4:1 compression ratio and is pushing just 104kg of fully fuelled weight.

Internally the engine is running a forged aluminium piston and titanium valves, the engine also has diamond-like carbon low friction coatings, lightweight magnesium covers and an Exedy Belleville clutch.

Like other manufacturers, Triumph is set to offer advanced engine management and tunability through an optional accessory MX Tune Pro app, which will enabling riders to use real-time user-selectable mapping, a real-time engine sensor dashboard and live diagnostic functionality, through a controlled programmable engine management system.

Tank volume is listed as 7-litres, while the engine pushes power to a 13/48 final drive through a 5-speed gearbox.

Triumph Motorcycles’ Chief Product Manager, Steve Sargent, said: “The launch of the TF 250-X is the culmination of a significant commitment and investment from Triumph, to not just bring a totally new bike to the motocross world, but to deliver a winning performance. To achieve this, we are focused on delivering the most complete package for any riding level, from champion to amateur.

“This bike is 100% Triumph, conceived, designed, developed and manufactured by our world-leading chassis and engine teams, with expert support from our racing champions. We started with a blank sheet of paper and began an all-new ground-up design, including a new engine, new chassis and new electronics.”

The TF 250-X’s unique aluminium chassis has a high-strength, lightweight spine frame with twin cradles, which Tirumph says has been designed for the optimum balance of performance, mass and flexibility. It also delivers a high level of tunability to suit different riders and styles.

Triumph isn’t known for skimping on components, and the TF 250-X is no exception. KYB suspension tops the list, with 48mm AOS coil forks, forged and machined 7075-T6 aluminium triple clamps and a three-way piggyback coil rear shock.

The premium Brembo braking system features a twin 24mm piston floating front caliper, a single 26mm piston floating rear caliper and Galfer 260mm front and 220mm rear discs. DirtStar 7000 Series aluminium rims and machined aluminium hubs are fitted with Pirelli Scorpion MX32 mid-soft tyres. Pro-Taper ACF carbon core bars and ODI half-waffle lock-on grips complete the set-up.

While New Zealand arrival and pricing are yet to be confirmed, Triumph has dropped the expected pricing in the UK where the TF 250-X will start from £9,795 ($20,273.81) with bikes set for delivery from the second quarter of 2024.

Interestingly, the MX1 class machine is also in the pipeline, with Triumph promising further information about the launch of the TR 450-X and the hotly anticipated Enduro range will follow later in 2024.


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