Pre-Owned 2025 Kawasaki KX450 SR – Special Racer Edition 450cc Motocross Bike
Take your racing to the next level with the 2025 Kawasaki KX450 SR (Special Racer Edition)—the ultimate factory-inspired motocross machine. Built for pro-level performance, the KX450 SR features a powerful 449cc fuel-injected engine, advanced engine mapping, and optimized intake/exhaust systems for explosive acceleration and precise throttle response.
The SR edition elevates performance with premium components including Showa A-Kit style suspension, upgraded Brembo front brake, high-performance wheels, and factory-style chassis tuning. A lightweight aluminum frame, electric start, hydraulic clutch, and advanced ergonomics provide unmatched control on even the toughest race tracks.
Designed for riders chasing podiums, the 2025 KX450 SR delivers elite-level handling, immediate power, and racing technology inspired by Kawasaki’s factory motocross team.
- Engine & Drivetrain
- Engine Type 449cc Liquid-Cooled DOHC 4-Stroke Single-Cylinder
- Displacement 449cc
- Bore x Stroke 96.0 × 62.1 mm
- Fuel System DFI® with 44mm Keihin Throttle Body
- Ignition Digital CDI with Power Modes & KTRC
- Transmission 5-Speed Manual, Return Shift
- Clutch Wet Multi-Disc Manual with Hydraulic Actuation
- Final Drive Chain
- Suspension & Brakes
- Front Suspension Showa 49mm Inverted Telescopic Fork; Adjustable Compression & Rebound
- Rear Suspension Uni-Trak® Gas Charged Shock with Adjustable Damping & Preload
- Front Brakes 270mm Disc (Braking/Sunstar) with Brembo Caliper
- Rear Brakes 240mm Disc with Nissin Caliper
- Parking Brake N/A
- Tires & Wheels
- Front Tires 80/100-21 Dunlop® Geomax MX34
- Rear Tires 120/90-19 Dunlop® Geomax MX34
- Wheels D.I.D DirtStar ST-X Spoked Wheels
- Dimensions & Capacities
- Overall Length ~85.8 in (2180 mm)
- Overall Width ~32.3 in (820 mm)
- Overall Height ~50.0 in (1270 mm)
- Wheelbase 58.3 in (1480 mm)
- Ground Clearance ~13.4 in (341 mm)
- Seat Height ~37.6 in (956 mm)
- Fuel Capacity 6.2 L (~1.64 gal)
- Curb Mass ~112.6 kg (~248 lb)
- Payload & Towing
- Front Rack Capacity N/A
- Rear Rack Capacity N/A
- Total Rack Capacity N/A
- Hitch Towing Rating N/A
- Hitch Type N/A