The KTM 450 EXC-R motorcycle specifications include a 449.3 cc (27.42 cu in) engine, a 6-speed gearbox, and a listed weight of 113.5 kg (250.2 lb).
Key specifications
How the KTM 450 EXC-R 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 7% taller than the KTM database average. Around the 85th percentile across KTM models.
About 15% smaller than the KTM database average. Around the 48th 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.
960 mm — taller than about 85% of KTM models.
9 L — larger than about 48% 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.
960
895
7% above average.
380
304
25% above average.
Mechanical overview
Additional useful specifications
| Front tire size | 90/90-21 |
|---|---|
| Rear tire size | 140/80-18 |
| Front tire width | 90 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 21 in |
| Rear tire width | 140 mm |
| Rear tire aspect ratio | 80% |
| Rear rim diameter | 18 in |
| Engine oil capacity | 1.30 L (1.37 US qt) |
| Spark plug | NGK DCPR 8 E |
| Bore/stroke ratio | 1.50:1 (Oversquare) |
Model information
| Year released | 2008 |
|---|---|
| Category | Enduro / offroad |
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) |
| Compression ratio | 11.9:1 |
| Valves per cylinder | 4 |
| Cooling system | Liquid |
| Fuel system | Carburettor. Keihin MX FCR 39 |
| Fuel control | Overhead Cams (OHC) |
| Ignition | Kokusan digital |
| Starter | Electric |
| Lubrication | Pressure lubrication with 3 Eaton pumps |
| Oil capacity | 1.30 L (1.37 US qt) |
| Spark plugs | NGK DCPR 8 E |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Wet multi-disc clutch, operated hydraulically |
Chassis and suspension
| Frame | Central double-cradle-type 25CrMo4 |
|---|---|
| Front suspension | WP USD Ø 48 mm (1.89 |
| Rear suspension | WP monoshock PDS |
| Front wheel travel | 300 mm (11.8 inches) |
| Rear wheel travel | 335 mm (13.2 inches) |
| Rake | 26.5° |
Brakes, wheels and tires
| Front brakes | Single disc. Floating discs. |
|---|---|
| Rear brakes | Single disc. Floating disc. |
| Front tire | 90/90-21 |
| Rear tire | 140/80-18 |
Dimensions and weight
| Dry weight | 113.5 kg (250.2 lb) |
|---|---|
| Seat height | 960 mm (37.8 inches) |
| Wheelbase | 1,481 mm (58.3 inches) |
| Ground clearance | 380 mm (15.0 inches) |
Fuel and emissions
| Fuel capacity | 9.00 L (2.38 US gal) |
|---|
Electrical and instruments
| Electrical | 12V 8Ah, maintenance free battery. |
|---|
Other specifications
| Color options | Orange/black |
|---|
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.