Comparison of KTM 400 EXC Racing 2007 and KTM 450 SX-F 2007 [S]ave
| Attribute |  KTM 400 EXC Racing 2007 × |  KTM 450 SX-F 2007 × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2007 |
| Make | KTM | KTM |
| Model | KTM 400 EXC Racing | KTM 450 SX-F |
| Category | Enduro / offroad | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | 4 |
| Fuel system | Carburettor. Keihin MX FCR 39 | Carburettor. Keihin MX FCR 41 |
| Displacement (cm³) | 398.2 | 449.3 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | - | Chain |
| Bore (mm) | 89 | 97 |
| Stroke (mm) | 64 | 60.8 |
| Gearbox | 6-speed | 4-speed |
| Fuel control | Overhead Cams (OHC) | Overhead Cams (OHC) |
| Ignition | Kokusan digital 4K-3B | Kokusan digital DC-CDI |
| Clutch | Wet multi-disc clutch, operated hydraulically | Wet multi-disc clutch, operated hydraulically |
| Lubrication system | Pressure lubrication with 2 Eaton pumps | Pressure lubrication |
| Compression | - | 12.5:1 |
| Exhaust system | - | Aluminium |
| Chassis | ||
| Front suspension | WP USD | WP USD |
| Rear suspension | WP monoshock PDS | WP Monoshock PDS |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Frame type | Central double-cradle-type 25CrMo4 | Central double-cradle-type 25 CrMo4 |
| Front tyre | 90/90-21 | 80/100-21 |
| Rear tyre | 140/80-18 | 110/90-19 |
| Front wheel travel (mm) | 115 | 115 |
| Rear wheel travel (mm) | 185 | 185 |
| Rake (fork angle) (degree) | 26.5 | 26.5 |
| Other | ||
| Starter | Kick | Kick |
| Dimensions | ||
| Wheelbase (mm) | 1,481 | 1,475 |
| Dry weight (kg) | 113 | 104 |
| Seat height (mm) | 925 | 925 |
| Ground clearance (mm) | 380 | 380 |
| Performance | ||
| Fuel capacity (l) | - | 8 |
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