Buell / EBR Buell X1W White Lightning (2002) vs KTM 500 EXC Chamption (2025)
Comparison technical specifications
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| Make: | Buell / EBR | KTM |
| Model: | Buell X1W White Lightning | 500 EXC Chamption |
| Years: | 2002 | 2025 |
| Engine: | 45° V-Twin, four stroke, pushrod actuated overhead valve. hydraulic self-adjusting lifters, 2 valve per cylinder. | Four stroke, single cylinder, SOHC, 4 valves per cylinder |
| Capacity: | 1203 cc / 73.4 cu in | 510.9 cc / 31.1 cu-in |
| Bore x Stroke: | 88.8 x 96.8 mm | 95 x 72 mm |
| Compression Ratio: | 10.0:1 | 12.75:1 |
| Cooling System: | Air cooled | Liquid cooled |
| Lubrication: | Dry sump | Pressure lubrication with 2 pumps |
| Induction: | Dynamic Digital Fuel Injection | Keihin EFI with 42mm throttle body |
| Ignition: | V-fire electronic | Contactless controlled fully electronic ignition with digital ignition adjustment, type Kokusan |
| Starting: | Electric | Electric |
| Clutch: | Wet, multi-plate | Wet multi-disc DDS clutch with Brembo hydraulics |
| Transmission: | 5 Speed | 6 Speed wide ratio |
| Final Drive: | Kevlar belt | Chain 5/8 x 1/4 |
| Gear Ratios: | 1st 2.69 / 2nd 1.85 / 3rd 1.43 / 4th 1.18 / 5th 1.00:1 | 1st 14:36 / 2nd 17:32 / 3rd 19:28 / 4th 22:26 / 5th 23:24 / 6th 26:21 |
| Frame: | Tubular perimeter chrome-moly mainframe with Uniplanar® | Central double-cradle type 25CrMo4 |
| Rake: | 23° | 26.1? |
| Front Suspension: | Ø41 mm Showa upside-down front forks adjustable compression and rebound damping | 48mm Fully adjustable WP XACT inverted fork |
| Front Wheel Travel: | 119 mm / 4.7" | 300 mm / 11.8 in |
| Rear Suspension: | Showa shock absorber under engine adjustable spring preload, compression and rebound damping | Linkage-free fully adjustable WP XPLOR shock with PDS |
| Rear Wheel Travel: | 117 mm / 4.6" | 310 mm / 12.2 in |
| Front Brakes: | Single Ø340 mm disc, 6 piston caliper | Single 260 mm Galfer Wave disc with Brembo caliper |
| Rear Brakes: | Single Ø230 mm disc, 1 piston caliper | Single 220 mm Galfer Wave disc with Brembo caliper |
| Front Tyre: | 120/70-ZR17 D207F, Dunlop SportMax | 90/90 - 21 |
| Rear Tyre: | 170/60-ZR17 D207, Dunlop SportMax | 140/80 - 18 |
| Wheelbase: | 1397 mm / 55" | 1489 mm / 58.3 in |
| Ground Clearance: | 125 mm / 4.9" | 355 mm / 13.9 in |
| Seat Height: | 787 cm / 31.0" | 963 mm / 37.9 in |
| Fuel Capacity: | 15.8 L / 4.2 US gal | 8.5 Litres / 2.25 US gal |