KTM 450 EXC-F (2017) vs KTM 250 EXC-F (2012)
Comparison technical specifications
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| Make: | KTM | KTM |
| Model: | 450 EXC-F | 250 EXC-F |
| Years: | 2017 | 2012 |
| Engine: | Four stroke, single cylinder, SOHC, 4 valves per cylinder | Four stroke, single cylinder, DOHC with finger followers, 4 valves |
| Capacity: | 449.3 cc / cu-in | 248.6 cc / 15.2 cu-in |
| Bore x Stroke: | 95 x 63.4 mm | 76 x 54.80 mm |
| Compression Ratio: | 11.9:1 | 13.2:1 |
| Lubrication: | Pressure lubrication with 2 rotor pumps | Forced oil lubrication with 2 Eaton pumps |
| Induction: | Keihin MX FCR 39 carburetor | Keihin EFI, flow restrictor, 42 mm |
| Ignition: | Keihin EMS | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan |
| Starting: | Electric | Kick and electric |
| Clutch: | Wet, DDS multi-disc clutch, Brembo hydraulics | Wet multi-disc clutch, hydraulically operated |
| Transmission: | 6 Speed | 6 Speed |
| Primary Drive Ratio: | 31:76 | 22:68 |
| Final Drive: | Chain X-Ring 5/8 x 1/4″ | Chain, 5/8 x 1/4 in |
| Frame: | 25CrMo4 steel central-tube frame | Central tube frame made of chrome molybdenum steel tubing |
| Front Suspension: | WP 4860 MA upside-down fork | WP Suspension Up Side Down 4860 MXMA PA |
| Front Wheel Travel: | 300 mm / 11.8 in | 300 mm / 11.8 in |
| Rear Suspension: | WP Xplor PDS shock absorber | WP-PDS 5018 DCC shock absorber |
| Rear Wheel Travel: | 310 mm / 1.2 in | 335 mm / 13.2 in |
| Front Brakes: | Single 260 mm disc, floating caliper | Single 260 mm disc, 2 piston caliper |
| Rear Brakes: | Single 220mm disc, floating caliper | Single 220 mm disc, 1 piston caliper |
| Front Tyre: | 90/90 - 21 | 90/90 - 21 M/C 54M M+S TT |
| Rear Tyre: | 140/80 - 18 | 120/80 - 18 M/C 65M M+S TT |
| Steering Head Angle: | 63.5° | 63.5° |
| Wheelbase: | 1482 mm / 58.3 in | 1482 mm / 58.4 in |
| Seat Height: | 960 mm / 37.8 in | 970 mm / 38.2 in |
| Ground Clearance: | 355 mm / 14.0 in | 345 mm / 13.6 in |
| Dry Weight: | 106 kg / 233.7 lbs | 107.5 kg / 237 lbs |
| Fuel Capacity: | 8.5 Litres / 2.2 US gal | 9.5 Litres / 2.5 US gal |