The KTM 144 SX motorcycle specifications include a 143.6 cc (8.76 cu in) engine, a 6-speed gearbox, and a listed weight of 90.8 kg (200.2 lb).
Key specifications
How the KTM 144 SX 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 68% lower than the KTM database average. Around the 20th percentile across KTM models.
Very close to the KTM database average. Around the 57th percentile across KTM models.
About 29% smaller than the KTM database average. Around the 25th 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.
144 cc — larger displacement than about 20% of KTM models.
925 mm — taller than about 57% of KTM models.
7.5 L — larger than about 25% 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.
1,471
1,436
Close to average.
925
895
3% above average.
390
304
28% above average.
Mechanical overview
Additional useful specifications
| Front tire size | 80/100-21 |
|---|---|
| Rear tire size | 100/90-19 |
| Front tire width | 80 mm |
| Front tire aspect ratio | 100% |
| Front rim diameter | 21 in |
| Rear tire width | 100 mm |
| Rear tire aspect ratio | 90% |
| Rear rim diameter | 19 in |
| Bore/stroke ratio | 0.96:1 (Undersquare) |
Model information
| Year released | 2008 |
|---|---|
| Category | Enduro / offroad |
Engine specifications
| Engine type | Single cylinder, two-stroke |
|---|---|
| Displacement | 143.6 cc (8.76 cu in) |
| Bore × stroke | 56.0 x 58.5 mm (2.2 x 2.3 inches) |
| Cooling system | Liquid |
| Fuel system | Carburettor. Keihin PWK 39 |
| Ignition | Kokusan digital Magnet CDI |
| Starter | Kick |
| Lubrication | Mixture oil lubrication 1:40 |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Clutch | Wet multi-disc clutch, operated hydraulically |
Chassis and suspension
| Frame | Cental double-cradle-type 25 CrMo4 |
|---|---|
| Front suspension | WP USD 48 mm |
| Rear suspension | WP Monoshock PDS |
| Front wheel travel | 300 mm (11.8 inches) |
| Rear wheel travel | 335 mm (13.2 inches) |
| Rake | 27.0° |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 80/100-21 |
| Rear tire | 100/90-19 |
Dimensions and weight
| Dry weight | 90.8 kg (200.2 lb) |
|---|---|
| Seat height | 925 mm (36.4 inches) |
| Wheelbase | 1,471 mm (57.9 inches) |
| Ground clearance | 390 mm (15.4 inches) |
Fuel and emissions
| Fuel capacity | 7.50 L (1.98 US gal) |
|---|
Other specifications
| Exhaust system | Aluminium |
|---|
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.