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 1-cylinder, 4-stroke engine
DISPLACEMENT 449.9 cm³
BORE 95 mm
STROKE 63.4 mm
STARTER Electric starter
TRANSMISSION 5-speed
PRIMARY DRIVE 31:76
SECONDARY GEAR RATIO 13:48
CLUTCH Wet, DDS multi-disc clutch, Brembo hydraulics
EMS Keihin EMS

CHASSIS

FRAME DESIGN 25CrMo4 steel central-tube frame
FRONT SUSPENSION WP USD Ø 48 mm 4CS closed cartridge
REAR SUSPENSION WP monoshock with linkage
SUSPENSION TRAVEL (FRONT) 300 mm
SUSPENSION TRAVEL (REAR) 300 mm
FRONT BRAKE Disc brake
REAR BRAKE Disc brake
FRONT BRAKE DISC DIAMETER 260 mm
REAR BRAKE DISC DIAMETER 220 mm
CHAIN 5/8 x 1/4"
STEERING HEAD ANGLE 63.9 °
WHEELBASE 1485 ± 10 mm
GROUND CLEARANCE 370 mm
SEAT HEIGHT 960 mm
TANK CAPACITY (APPROX.) 7 l
WEIGHT READY TO RACE (WITHOUT FUEL) 101.9 kg

KTM 450 SX-F 2017
KTM 1190 RC8 R