Demon X DXR140 – Bigger. Faster. Built to Perform.

Take your riding to the next level with the Demon X DXR140, a powerful and capable pit bike built for riders who want more performance, greater control and the confidence to tackle bigger tracks and tougher terrain.

Powered by a high-performance 140cc YX oil-cooled 4-stroke engine, the DXR140 delivers smooth, responsive power with an impressive 4-speed manual gearbox, giving you complete control whether you’re practising your skills, riding on private land or enjoying weekends at the track.

The larger 19”/16” wheel setup provides excellent stability over rough terrain, while the lightweight steel cradle frame and aluminium alloy handlebars create a bike that’s agile, responsive and built to handle demanding riding conditions.

Equipped with hydraulic disc brakes, quality suspension and premium components throughout, the DXR140 offers exceptional value for riders looking for a dependable bike that’s ready for action straight out of the crate.

Whether you’re upgrading from a smaller bike or looking for an exciting off-road machine, the Demon X DXR140 is built to deliver performance, reliability and endless fun.

Finance Options Available

Buying your next bike has never been easier.

✔ Flexible finance options available

✔ Fast & secure UK-wide delivery

✔ Manufacturer’s warranty included

✔ Friendly advice before & after your purchase

Why Choose the Demon X DXR140?

• Powerful 140cc YX Oil-Cooled Engine
• Smooth 4-Speed Manual Gearbox
• Large 19”/16” Motocross Wheel Setup
• Lightweight Steel Cradle Frame
• Aluminium Alloy Handlebars
• Hydraulic Front & Rear Disc Brakes
• Responsive Suspension
• Oil-Cooled Performance Engine
• Ideal for Riders Looking to Progress
• Excellent Value for Money

Technical Specification

Engine

• Engine: YX140, 4-Stroke, Oil Cooled
• Engine Capacity: 140cc
• Valves: 2 Valve
• Compression Ratio: 9.8:1
• Fuel System: 22mm PE22 Carburettor
• Maximum Power: 8.2kW @ 8000rpm
• Maximum Torque: 10.2Nm @ 7500rpm
• Wet 5 Plate Clutch
• CDI Ignition
• Kick Start

Transmission

• 4-Speed Manual Gearbox
• Gear Pattern: N-1-2-3-4
• 428-114L Chain Final Drive

Chassis

• Steel Cradle Frame
• Steel 460mm Swing Arm
• Aluminium Alloy Handlebars

Suspension

• Front: SX 780mm Forks (Non-Adjustable)
• Rear: SX 325mm Shock Absorber (Non-Adjustable)

Wheels & Brakes

• Front Wheel: 19”
• Rear Wheel: 16”
• Front Rim: 19 x 1.6 Steel
• Rear Rim: 16 x 1.85 Steel
• Front Tyre: 70/100-19
• Rear Tyre: 90/100-16
• Front Brake: Dual Piston Hydraulic Ø220mm Disc
• Rear Brake: Single Piston Hydraulic Ø190mm Disc
• Rear Rim Lock

Dimensions

• Wheelbase: 1275mm
• Ground Clearance: 350mm
• Seat Height: 880mm
• Dry Weight: 78.5kg
• Fuel Tank Capacity: 5.8 Litres

Manufacturer’s Warranty

Your new Demon X DXR140 includes a 30-day manufacturer’s parts warranty, giving you added peace of mind when purchasing your new bike.

Why Buy From FDY Performance?

At FDY Performance, we’re passionate about helping riders find the perfect bike for every stage of their journey. Whether you’re buying your first off-road bike or upgrading to a more powerful machine, we’re here to provide expert advice and outstanding customer service.

Every Bike Purchased From FDY Performance Includes:

✔ Flexible finance options available

✔ Fast UK-wide delivery

✔ Manufacturer’s warranty included

✔ Friendly expert advice before and after your purchase

✔ Huge range of petrol & electric bikes

✔ Helmets, riding gear, spare parts & accessories available

✔ Trusted UK customer support

With years of experience and a passion for off-road riding, FDY Performance is committed to helping you choose the right bike with confidence.

Take Your Riding to the Next Level

The Demon X DXR140 combines proven reliability, responsive handling and exciting performance into one outstanding package. If you’re ready for a bike that delivers more power, more capability and more fun, this is the perfect choice.

Order today from FDY Performance with fast UK delivery and flexible finance options available.