KTM 450 SMR (2025)

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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.

Key Specifications

Engine Type1-cylinder, 4-stroke engine
Engine Capacity449.9 cc
Fuel Tank Capacity7.2 L / 2 US gallons
Weight (Wet/Kerb)~ 114.2 kg / 251.76 lbs
Seat Height898 mm / 35.35 inches
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All Specifications

Make & Model

ModelKTM 450 SMR
Year2025

Engine

Engine Type1-cylinder, 4-stroke engine
Displacement449.9 cc
Bore x Stroke95 mm x 63.4 mm
Compression Ratio13.6 : 1
Number of Cylinders1
Valve TrainDOHC
Valves per Cylinder4
Engine Management SystemKeihin EMS
Lubrication SystemPressure circulation lubrication system with 2 trochoidal pumps
Cooling SystemWater cooling, permanent circulation of coolant by water pump
Ignition SystemContactless controlled fully electronic ignition digital ignition adjustment
FuelSuper Unleaded (ROZ 95)

Performance

Top Speedn/a

Transmission

ClutchMulti-disc clutch in oil bath/mechanically operated
Gearbox5 speed transmission
Primary Drive Ratio29:72
Gear Ratios1st gear -2:28 PM
2nd gear – 16:26
3rd gear – 18:24
4th gear – 21:24
5th gear – 22:21
Final DriveChain (520 non-sealed)
Quick ShifterQuickshifter (2nd gear to 5th gear, upshift only)
Traction Control SystemYes

Electrical & Electronics System

Battery12 V HJTZ5S-FP-C
Alternator/GeneratorKokusan 5.5 A (14V) @ 6000 rpm
StarterElectric starter
Riding Modes2 (Map 1 & 2)
Traction Control SystemYes

Chassis & Suspension

Frame TypeCentral double-cradle-type 25CrMo4 steel
Front SuspensionWP XACT-USD, Ø 48 mm
Front Suspension Travel283 mm / 11.14 inches
Rear SuspensionWP XACT Monoshock with linkage
Rear Suspension Travel266 mm / 10.47 inches
Rake63.9 °
Rear SubframeAluminum-reinforced polyamide

Wheels & Brakes

WheelsCast aluminium wheels
Front Wheel/Rim Size3.5 x 17″
Front Tire Size125/75 R 420 M/C TL
Rear Wheel/Rim Size5 x 17″
Rear Tire Size165/55 R 17 M/C TL
Front Brakes310 mm disc
Rear Brakes220 mm disc

Dimension & Weights

Seat Height860 mm / 33.85 inches
Wheelbase1502 mm / 59.1 inches
Ground Clearance227 mm / 9 inches
Fuel Tank Capacity15.8 L / 4.17 US gallons
Wet (kerb/curb) Weight~ 206 kg / 454.1 lbs
Dry Weight194 kg / 427.7 lbs
Max Load Capacity450 kg / 992 lbs

Riding Aids

  • MTC (Motorcycle Traction Control)
    • The MTC (Motorcycle Traction Control) lean-angle sensitive traction control system reacts immediately if the rotational speed of the rear wheel is disproportionate to the riding situation. In a matter of milliseconds, MTC reduces the engine output with an extremely smooth, barely perceptible intervention at the throttle valves, until the system has reduced slippage to optimum proportions for the selected ride mode and current angle of lean.
  • Supermoto ABS
    • SUPERMOTO ABS allows the rider to lock the rear wheel as and when required – a prerequisite for committed Supermoto riding. The ABS function remains active on the front wheel while activated, too.
  • Quickshifter
    • The optionally available race-derived Quickshifter allows for up shifts (2nd to 5th gear) without using the clutch. It reads and responds to your riding, so the shift action is as fast as you are.
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