2025 KTM 125 SX

2025 KTM 125 SX: The Ultimate 2-Stroke Racing Machine

The 2025 KTM 125 SX is built for those who crave the thrill of 2-stroke power and the precision of a lightweight, race-ready motocross bike. Perfectly engineered for riders who demand superior agility, relentless performance, and lightning-fast acceleration, the 125 SX is the go-to bike for those pushing their limits on the track. Designed for competitive racers and passionate riders alike, this 125cc motocross bike offers a potent combination of power, handling, and cutting-edge technology to ensure you're always at the front of the pack.

Key Features:

• Powerful 125cc 2-Stroke Engine: The heart of the 2025 KTM 125 SX is its high-performance 125cc, single-cylinder, 2-stroke engine. Known for its raw, explosive power and unmatched throttle response, this engine delivers a perfect balance of peak performance and exceptional torque throughout the powerband. Whether you're launching off the starting gate or powering through corners, the 125 SX’s engine ensures you have the acceleration and speed you need.

• Electronic Fuel Injection (EFI): The 2025 model comes equipped with an electronic fuel injection (EFI) system, offering improved fuel efficiency and throttle response. This ensures optimal power delivery at all times, eliminating the need for carburetor adjustments and reducing the risk of fouling, so you can focus on racing without worrying about performance consistency.

• Lightweight, Rigid Chassis: KTM's lightweight and rigid steel frame is designed for maximum control and agility, giving riders the ability to carve through tight turns, jump with confidence, and accelerate on a dime. This lightweight chassis makes it easier to handle, especially for younger or less-experienced riders, while still offering the strength and stability required for high-speed racing.

• WP XACT Suspension: The 125 SX comes equipped with high-performance WP XACT suspension, including fully adjustable front forks and a rear shock. This advanced suspension system allows you to fine-tune the bike's settings for optimal performance on any track, providing excellent comfort and handling, whether you're tackling rough, choppy terrain or smoothing out the bumps.

• Brembo Brakes for Precision Stopping Power: The 125 SX features Brembo hydraulic disc brakes for precise and reliable stopping power. Whether you're coming into a hairpin corner or braking for a jump, the front and rear Brembo brakes give you the control you need, even under the most demanding conditions.

• Racy Design and Ergonomics: The 125 SX boasts KTM’s signature aggressive, race-inspired styling. With its sleek bodywork, slim profile, and ergonomic design, it’s not only visually appealing but also optimally built for handling and rider comfort. The bike’s narrow seat, adjustable controls, and intuitive ergonomics ensure that every rider feels at home and comfortable, whether they’re pushing their limits on the track or cruising through practice sessions.

• Lightweight, High-Performance Wheels: The 2025 KTM 125 SX comes equipped with lightweight, high-strength wheels and tires that deliver superior traction and durability. These wheels are designed to provide excellent stability, whether you're taking on the roughest tracks or the most technical sections.

• Fresh Graphics and Updated Details: In true KTM style, the 125 SX features fresh new graphics for 2025, showcasing its sharp, modern look. The updated aesthetic gives the bike a striking appearance that matches its top-tier performance, making it a standout both on and off the track.

Why Choose the 2025 KTM 125 SX?

• Unmatched 2-Stroke Power: With its 125cc 2-stroke engine and EFI system, the 2025 KTM 125 SX offers an exciting and powerful ride, ensuring that riders experience peak performance every time they hit the track.
• Precision Handling: The lightweight frame and advanced WP suspension offer unmatched handling, allowing you to navigate the track with precision, agility, and ease.
• Race-Ready Performance: Built for competitive motocross, the 125 SX offers high-end components like Brembo brakes, advanced suspension, and a rigid chassis, providing the confidence and performance needed to race at the highest level.
• Improved Reliability: With the EFI system, the 125 SX ensures smooth and consistent performance, making it easier to maintain and providing greater reliability on the track, even during long rides or races.

Specifications:

• Engine Type: 125cc, 2-stroke, single-cylinder, liquid-cooled
• Horsepower: Approximately 40 hp
• Transmission: 6-speed, constant-mesh
• Suspension (Front): WP XACT 48mm USD fork, fully adjustable
• Suspension (Rear): WP XACT shock absorber, fully adjustable
• Brakes: Brembo hydraulic disc brakes (front and rear)
• Seat Height: 37.8 in (960 mm)
• Ground Clearance: 14.6 in (370 mm)
• Fuel Tank Capacity: 2.1 US gal (8 L)
• Weight: 209 lbs (95 kg) (dry weight)
• Wheelbase: 58.1 in (1,475 mm)
• Tires (Front): 80/100-21
• Tires (Rear): 100/90-19

The 2025 KTM 125 SX is the ideal bike for riders who want to experience the power and excitement of a 2-stroke engine, combined with advanced suspension, top-tier components, and a race-ready design. Perfect for both seasoned competitors and those just starting their racing journey, the KTM 125 SX will help you push your limits and take your motocross experience to the next level.