The KTM 525 SX Racing motorcycle specifications include a 510.4 cc (31.14 cu in) engine, a 4-speed gearbox, and a listed weight of 107 kg (235.9 lb).
Key specifications
The 2003 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the KTM 525 SX Racing 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.
About 15% higher than the KTM database average. Around the 69th percentile across KTM models.
Very close to the KTM database average. Around the 57th 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.
510 cc — larger displacement than about 69% of KTM models.
925 mm — taller than about 57% 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.
1,481
1,436
3% above average.
925
895
3% above average.
380
304
25% above average.
Mechanical overview
Additional useful specifications
| Front tire size | 80/100-21 |
|---|---|
| Rear tire size | 110/90-19 |
| Front tire width | 80 mm |
| Front tire aspect ratio | 100% |
| Front rim diameter | 21 in |
| Rear tire width | 110 mm |
| Rear tire aspect ratio | 90% |
| Rear rim diameter | 19 in |
| Bore/stroke ratio | 1.32:1 (Oversquare) |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 510.4 cc (31.14 cu in) |
| Torque | 61.0 Nm (6.2 kgf-m or 45.0 ft.lbs) |
| Bore × stroke | 95.0 x 72 mm (3.7 x 2.8 inches) |
| Compression ratio | 11.0:1 |
| Cooling system | Liquid |
| Fuel system | Carburettor. Keihin |
| Lubrication | Wet sump |
Transmission and drivetrain
| Gearbox | 4-speed |
|---|---|
| Final drive | Chain (final drive) |
Chassis and suspension
| Front wheel travel | 300 mm (11.8 inches) |
|---|---|
| Rear wheel travel | 335 mm (13.2 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 80/100-21 |
| Rear tire | 110/90-19 |
Dimensions and weight
| Dry weight | 107 kg (235.9 lb) |
|---|---|
| Seat height | 925 mm (36.4 inches) |
| Wheelbase | 1,481 mm (58.3 inches) |
| Ground clearance | 380 mm (15.0 inches) |
Fuel and emissions
| Fuel capacity | 7.00 L (1.85 US gal) |
|---|
Performance
| Power/weight ratio | 0.5701 hp/kg |
|---|
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.