Suzuki Rmx 450z
The Suzuki RMX450Z was introduced in 2010 as a dual-sport/supermoto-oriented off-road machine based on the RM-Z450 motocross platform, designed for trail riding and recreational off-road use with a street-legal configuration in select markets. It featured electric start, a wider powerband tuned for trail use rather than peak motocross performance, and an 18-inch rear wheel to better suit off-road terrain. The RMX450Z was notably popular in Japan and Australia and represented Suzuki's effort to offer a modern four-stroke enduro/trail bike to complement their motocross lineup.
Approximately 50 hp
Power
Approximately 47 Nm
Torque
118 kg
Weight
Estimated 145–155 km/h (note: estimate based on engine output and gearing)
Top Speed
Estimated 6–8 L/100km (real-world off-road use)
Fuel
Naked
Body
What Buyers Should Know
Dual-Sport DNA
The RMX 450Z is street-legal right out of the box, featuring a headlight, taillight, and odometer — making it one of the few modern dual-sport bikes with true motocross performance. This gives it strong versatility and appeal for both trail and road use.
Watch the Valves
Owners commonly report tight valve clearances after moderate use, so regular valve inspections every 15 hours are strongly recommended to avoid costly engine damage. Neglecting this is the most frequent cause of premature engine wear on this model.
Strong Resale Value
Due to limited production numbers and discontinued availability in many markets, used RMX 450Z bikes hold their value exceptionally well compared to similar dual-sport competitors. A well-maintained example can sell close to its original purchase price.
Full Specifications
Rivals & Alternatives
Bikes that buyers cross-shop with the Suzuki Rmx 450z




