2012 KTM 450 SX-F with the high-quality chassis on the KTM 450 SX-F allows advanced riders to convert the brutal power of the innovative DOHC four-stroke engine into controllable traction, even on the toughest MX tracks. With an even more robust clutch, the 450 SX-F is still a real ace in the motocross (450 class). New for 2012 450 SX-F model is now equipped with Dunlop MX51 tires.
2012 KTM 450SX-F Specifications And Technical Details
MSRP Price: See KTM dealer in your country for pricing.
Engine type Single cylinder, 4-stroke
Displacement 449.3 ccm
Bore/stroke 97/60.8 mm
Compression ratio 12.5:1
Starter/battery Electric starter / 12V 3Ah
Transmission 5 gears
Carburetor Keihin FCR-MX 41
Control 4 V / DOHC with finger followers
Lubrication Pressure lubrication with 3 oil pumps
Gear ratios 16:34 19:31 20:26 23:25 26:24 -
Primary ratio 29:74
Final drive 14:52
Cooling Liquid cooling
Clutch Wet multi-disc clutch, Magura hydraulics
Frame Central double-cradle-type 25CrMo4
Handlebar Renthal, Aluminium Ø 28/22 mm
Front suspension WP-USD, Closed Cartridge, Ø 48 mm
Rear suspension WP-Monoshock with linkage
Suspension travel front/rear 300/330 mm
Front/rear brakes Disc brake 260/220 mm
Front/rear rims 1.60 x 21"; 2.15 x 19" Excel
Front/rear tires 80/100-21"; 110/90-19"
Chain 5/8 x 1/4"
Steering head angle 63.5°
Wheel base 1,495 ± 10 mm
Ground clearance 371 mm
Seat height 992 mm
Tank capacity, approx. 7.5 l
Weight, without fuel, approx. 106.9 kg