2025 KTM 450 SMR

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The 2025 KTM 450 SMR represents the only real all-aspect form of motorcycle sport. Taking all the best bits from the championship-winning KTM 450 SX-F and adding more asphalt bias like racing slicks, big brakes, and top-notch suspension. Simply put, it's READY TO RACE in the very purest form.

Engine

• Primary drive 29:72
• Transmission 5-speed
• Cooling Liquid cooled
• Secondary gear ratio 14:46
• Starter Electric starter
• Stroke 63.4 mm
• Bore 95 mm
• Clutch SUTER anti-hopping, Brembo hydraulics
• Compression ratio 13
• Displacement 449.9 cm³
• EMS Keihin EMS
• Design 1-cylinder, 4-stroke engine
• Fuel-mixture generation Keihin EFI, throttle body 44 mm
• Lubrication Forced oil lubrication with 2 oil pumps

Chassis

• Weight (without fuel) 108.8 kg
• Wheelbase 1.472 mm
• Front brake disc diameter 310 mm
• Rear brake disc diameter 220 mm
• Chain 520, Non-sealed
• Frame design Central double-cradle-type 25CrMo4 steel
• Front suspension WP XACT-USD, Ø 48 mm
• Handlebar Neken, aluminium Ø 28/22 mm
• Rear suspension WP XACT Monoshock with linkage
• Silencer Aluminium
• Steering head angle 63.9 °
• Rear subframe design Aluminum-reinforced polyamide
• Tire dimensions (front/rear)125/75; 165/55
• Wheels3.5 x 16.5"; 5 x 17"