2012
KTM 450 SX - Specifications & Review
Article Complete Info
| Articleid | 475555 |
|---|---|
| Category | ATV |
| Make | KTM |
| Model | 450 SX |
| Year | 2012 |
Chassis, Suspension, Brakes & Wheels
| Frametype | Chromoly (25 CrMo4). Subframe: Aluminum. |
|---|---|
| Frontbrakes | Single disc. Floating Wave discs, 4-piston fixed caliper |
| Frontbrakesdiameter | 180 mm (7.1 inches) |
| Frontsuspension | Ohlins fully adjustable, Twin Chromoly A-arms |
| Fronttyre | 20/7-10 |
| Frontwheeltravel | 244 mm (9.6 inches) |
| Rearbrakes | Single disc. Single piston floating caliper |
| Rearbrakesdiameter | 200 mm (7.9 inches) |
| Rearsuspension | Ohlins PDS Mono-shock, Fully Adjustable, Chromoly Swingarm |
| Reartyre | 20/11-9 |
| Rearwheeltravel | 258 mm (10.2 inches) |
Engine & Transmission
| Borexstroke | 97.0 x 60.8 mm (3.8 x 2.4 inches) |
|---|---|
| Clutch | Wet multi-disc clutch, operated hydraulically |
| Compression | 11.0:1 |
| Coolingsystem | Liquid |
| Displacement | 510.40 ccm (31.14 cubic inches) |
| Driveline | 14:38 |
| Enginedetails | Single cylinder, four-stroke |
| Enginetype | Cam levers, drive via helical gear pair and tooth-wheel chain |
| Fuelsystem | Carburettor. Keihin MX FCR 41 |
| Gearbox | 5-speed |
| Ignition | Kokusan digital 4K-3B |
| Lubricationsystem | Pressure lubrication with 2 Eaton pumps |
| Transmissiontypefinaldrive | Chain |
| Valvespercylinder | 4 |
Other Specifications
| Coloroptions | Orange/Black |
|---|---|
| Starter | Electric |
Physical Measures & Capacities
| Dryweight | 165.0 kg (363.8 pounds) |
|---|---|
| Fuelcapacity | 10.30 litres (2.72 gallons) |
| Groundclearance | 265 mm (10.4 inches) |
| Seatheight | 795 mm (31.3 inches) If adjustable, lowest setting. |
About KTM
Country of Origin:
Austria
Founder:
Hans Trunkenpolz (later joined by Ernst Kronreif)
Best Known For:
Off-road/enduro supremacy, Dakar wins, Duke/RC streetbikes, and READY TO RACE ethos
Company History
KTM evolved from a postwar repair shop into a racing juggernaut by treating competition as R&D. Lightweight two-strokes made the brand a force in motocross and enduro; later four-strokes and advanced electronics cemented dominance. Dakar Rally victories showcased reliability under extreme conditions and fed the Adventure lineup—bikes that balance long-travel composure with startling pace. On the street, the Duke and RC families brought razor geometry and punchy singles/twins to license tiers worldwide, while the 1290 Super Duke and Adventure pushed the IMU-aided edge of performance. Corporate agility—acquisitions, platform sharing with Husqvarna/GASGAS—expanded reach without blurring identity. Historically, KTM changed expectations for chassis feedback and electronics integration in dirt and on road, proving that orange-painted ferocity could also be precise. The brand’s throughline is simple: build light, communicate grip, and let riders go fast safely. Few companies have turned a color and a slogan into such a reliable proxy for results.