KTM 450 SX-F
If gold is what you’re after, a 450 SX-F is what you get. Thanks to its compact engine delivering explosive but controllable power, it’s the weapon of choice for the Red Bull KTM Factory Team and their champ, Ryan Dungey. Ridden at its hardest, this bike is quick enough to rule the AMA Supercross Championship. Its secret? Sweet handling and gut-wrenching grunt. Winners, line up here.
ENGINE
DESIGN
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1-cylinder, 4-stroke engine
DISPLACEMENT
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449.9 cm³
BORE
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95 mm
STROKE
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63.4 mm
STARTER
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Electric starter
TRANSMISSION
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4-speed
PRIMARY DRIVE
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31:76
SECONDARY GEAR RATIO
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13:48
CLUTCH
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Wet, DDS multi-disc clutch, Brembo hydraulics
EMS
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Keihin EMS
CHASSIS
FRAME DESIGN
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25CrMo4 steel central-tube frame
FRONT SUSPENSION
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WP-USD, AER 48, Ø 48 mm
REAR SUSPENSION
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WP shock absorber with linkage
SUSPENSION TRAVEL (FRONT)
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310 mm
SUSPENSION TRAVEL (REAR)
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300 mm
FRONT BRAKE
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Disc brake
REAR BRAKE
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Disc brake
FRONT BRAKE DISC DIAMETER
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260 mm
REAR BRAKE DISC DIAMETER
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220 mm
CHAIN
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5/8 x 1/4"
STEERING HEAD ANGLE
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63.9 °
WHEELBASE
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1485 ± 10 mm
GROUND CLEARANCE
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370 mm
SEAT HEIGHT
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960 mm
TANK CAPACITY (APPROX.)
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7 l
WEIGHT READY TO RACE (WITHOUT FUEL)
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100.2 kg