2021
KTM 250 SX-F Troy Lee - Specifications & Review
Article Complete Info
| Articleid | 29482 |
|---|---|
| Category | Cross-motocross |
| Make | KTM |
| Model | 250 SX-F Troy Lee |
| Year | 2021 |
Chassis, Suspension, Brakes & Wheels
| Frametype | Central double-cradle-type 25CrMo4 steel |
|---|---|
| Frontbrakes | Single disc |
| Frontsuspension | WP XACT-USD, Ø 48 mm |
| Fronttyre | 80/100-21 |
| Frontwheeltravel | 310 mm (12.2 inches) |
| Rake | 26.5° |
| Rearbrakes | Single disc |
| Rearsuspension | WP XACT Monoshock with linkage |
| Reartyre | 110/90-19 |
| Rearwheeltravel | 300 mm (11.8 inches) |
| Seat | TLD grippy seat |
| Wheels | KTM Factory wheels |
Engine & Transmission
| Borexstroke | 78.0 x 52.3 mm (3.1 x 2.1 inches) |
|---|---|
| Clutch | Wet multi-disc clutch, Brembo hydraulics |
| Coolingsystem | Liquid |
| Displacement | 249.9 ccm (15.25 cubic inches) |
| Driveline | 13:48. Primary drive: 26:72. 520 X-ring chain. |
| Enginedetails | Single cylinder, four-stroke |
| Enginetype | Reed intake |
| Exhaustsystem | AkrapoviÄ Slip-on silencer |
| Fuelsystem | Injection. 44 mm |
| Gearbox | 5-speed |
| Ignition | Keihin EMS |
| Transmissiontypefinaldrive | Chain |
Other Specifications
| Coloroptions | Orange/yellow/purpe/black |
|---|---|
| Electrical | Lithium-ion battery |
| Starter | Electric |
Physical Measures & Capacities
| Dryweight | 101.0 kg (222.7 pounds) |
|---|---|
| Fuelcapacity | 7.00 litres (1.85 gallons) |
| Groundclearance | 370 mm (14.6 inches) |
| Seatheight | 950 mm (37.4 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.