For everyone for whom only winning counts in racing, the 450 SX is the perfect choice – because in this ATV, everything is just right! Only the best components are good enough for this champion. The KTM engine, proven in countless championships, catapults you into the lead from the start with maximum acceleration. Lap by lap, you show the opposition their limits. Optimum handling, full power and your ability is the combination which makes series winners.

Engine type	Single cylinder, 4-stroke, SOHC, 4-Valve, liquid cooled
Displacement	449 cc
Bore x stroke	97 x 60,8 mm
Compression ratio	12.5:1
Starter	Electric starter / 4 Ah
Transmission	5-speed
Carburetor	Keihin FCR-MX 41
Lubrication	Dry sump, pressure lubrication with 2 Eaton pumps
Engine lubrication	10W50
Primary drive	31:78
Final drive	14:38
Cooling	Liquid cooling
Clutch	Wet multi-disc clutch, operated hydraulically
Ignition	Kokusan digital