KTM 450 EXC Champion Edition (2025) vs KTM 620 LC4 Adventure (1996) vs Kawasaki GPz 900 Ninja (1997-00)
Comparison technical specifications
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| Make: | KTM | KTM | Kawasaki |
| Model: | 450 EXC Champion Edition | 620 LC4 Adventure | GPz 900 Ninja |
| Years: | 2025 | 1996 | 1997-00 |
| Engine: | Four stroke, single cylinder, SOHC, 4 valves per cylinder | Four stroke, single cylinder, SOHC, 4 valves | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 449.9 cc / cu-in | 609 cc / 37.2 cu in | 908 cc / 55.4 cu-in |
| Bore x Stroke: | 95 x 63.4 mm | 101 x 76 mm | 72.5 x 55 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 12.75:1 | 10.4:1 | 11.0:1 |
| Induction: | Keihin EFI, throttle body 42 mm | Dell'Orto PHM 40 SD | 4x 34mm Keihin CVK34 carburettors |
| Ignition: | Keihin EMS | KDC-CDI | Battery ignition, full electronic! |
| Starting: | Electric | Kick & electric | Electric |
| Transmission: | 6 Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain X-Ring 5/8 x 1/4″ | Chain | Chain |
| Front Suspension: | WP XACT USD fork, ? 48 mm | 50mm Telescopic forks, compression and rebound adjustable | 41mm Telescopic forks, air assisted four way anti dive. |
| Rear Suspension: | WP XPLOR Monoshock with Linkage | Single chock, preload, compression and rebound adjustable | Uni-Trak air assisted, single shock, 4-way adjustable damping. |
| Front Brakes: | Single 260 mm disc, floating caliper | Single 320 mm disc, 4 piston caliper | 2x 300mm discs 4 piston calipers |
| Rear Brakes: | Single 220mm disc, floating caliper | Single 220 mm disc, 1 piston caliper | Single 250mm disc 2 piston caliper |
| Front Tyre: | 90/90 - 21 | 90/90 - 21 | 120/70-17 |
| Rear Tyre: | 140/80 - 18 | 130/80 - 18 | 150/70-18 |
| Seat Height: | 960 mm / 37.8 in | 945 mm / 37.2 in | 790 mm / 31.1 in |
| Dry Weight: | 107.4 kg / 236.8 lbs | 146 kg / 322 lbs | 228 kg / 502 lbs |
| Fuel Capacity: | 8.5 Litres / 2.2 US gal | 28 L / 7.4 US gal / 6.2 Imp gal | 22 Litres / 5.8 US gal |