The KTM 450 SX-F Factory motorcycle specifications include a 449.3 cc (27.42 cu in) engine, a 4-speed gearbox, and a listed weight of 100.5 kg (221.6 lb).
Key specifications
The 2021 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the KTM 450 SX-F Factory compares
This compares the motorcycle with all KTM models in this specifications database. The blue marker is this model and the grey line is the KTM database average.
Very close to the KTM database average. Around the 62nd percentile across KTM models.
About 6% taller than the KTM database average. Around the 66th percentile across KTM models.
About 34% smaller than the KTM database average. Around the 17th percentile across KTM models.
KTM database percentile rankings
Percentiles show where this motorcycle sits across the KTM specifications database. They are descriptive database rankings, not performance ratings.
449 cc — larger displacement than about 62% of KTM models.
950 mm — taller than about 66% of KTM models.
7 L — larger than about 17% of KTM fuel tanks in this database.
Dimensions compared with KTM average
Each measurement is compared with the average value across KTM models where that dimension is available.
1,485
1,436
3% above average.
950
895
6% above average.
370
304
22% above average.
Mechanical overview
Additional useful specifications
| Bore/stroke ratio | 1.50:1 (Oversquare) |
|---|
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 449.3 cc (27.42 cu in) |
| Bore × stroke | 95.0 x 63.4 mm (3.7 x 2.5 inches) |
| Cooling system | Liquid |
| Fuel system | Injection |
| Fuel control | Single Overhead Cams (SOHC) |
| Ignition | Keihin EMS |
| Starter | Electric |
Transmission and drivetrain
| Gearbox | 4-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Wet, DDS multi-disc clutch, Brembo hydraulics |
Chassis and suspension
| Frame | 25CrMo4 steel central-tube |
|---|---|
| Front suspension | WP XACT-USD, Ø 48 mm |
| Rear suspension | WP XACT Monoshock with linkage |
| Front wheel travel | 310 mm (12.2 inches) |
| Rear wheel travel | 300 mm (11.8 inches) |
| Rake | 26.1° |
Brakes, wheels and tires
| Front brakes | Single disc. Brake calipers on floating bearings |
|---|---|
| Rear brakes | Single disc. Brake calipers on floating bearings |
| Wheels | KTM Factory wheels. Wire spoked. |
Dimensions and weight
| Dry weight | 100.5 kg (221.6 lb) |
|---|---|
| Seat height | 950 mm (37.4 inches) |
| Wheelbase | 1,485 mm (58.5 inches) |
| Ground clearance | 370 mm (14.6 inches) |
Fuel and emissions
| Fuel capacity | 7.00 L (1.85 US gal) |
|---|
Performance
| Power/weight ratio | 0.6269 hp/kg |
|---|
Electrical and instruments
| Electrical | Lightweight 495 g lithium-ion starter battery |
|---|
Other specifications
| Color options | Orange/white/black |
|---|---|
| Seat | Factory seat with Selle Dalla Valle logo |
| Exhaust system | Akrapovič Slip-On silencer |
| Comments | Connectivity to a myKTM app |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from KTM models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official KTM information before relying on them. Visit the official KTM website.