Born from the culmination of Suzuki’s ongoing championship-winning motocross and GSX-R four-stroke road racing development programmes, the latest RM-Z450 features many new changes, contributing to it's domination of the AMA Motocross Championship under Ricky Carmichael.
| Overall length: | 2185mm (86in) |
| Overall width: | 830mm (32.7in) |
| Overall height: | 1260mm (49.6in) |
| Wheelbase: | 1480mm (58.3in) |
| Seat height: | 955mm (37.6in) |
| Dry Mass: | 100kg (220.5lbs) |
| Fuel capacity: | 7.0litres (1.5gallons) |
| Engine capacity: | 449cc |
| Engine: | 4-stroke, liquid cooled, DOHC |
| Bore: | 95.5 x 62.8mm |
| Compression ratio: | 11.9 : 1 |
| Lubrication: | Suzuki Advanced Sump System |
| Ignition: | Digital AC-CDI |
| Fuel system: | KEIHIN FCR 40 MX |
| Transmission: | 4-speed, constant mesh |
| Drive: | Chain |
| Front suspension: | SHOWA 47mm telescopic, pneumatic/coil spring, oil damped |
| Rear suspension: | Swingarm, link type, SHOWA piggyback-resevoir shock |
| Front brakes: | Disc brake |
| Rear brakes: | Disc brake |
| Front tyres: | 90/100-21 |
| Rear tyres: | 120/80-19 |
