Suzuki Rmz450
The Suzuki RM-Z450 was introduced in 2005 as a four-stroke motocross machine, replacing the RM250 two-stroke in Suzuki's lineup and competing directly with Honda's CRF450R and Yamaha's YZ450F. It gained significant updates in 2008 with a new frame and fuel injection was added in 2013, making it one of the earlier motocross bikes to adopt EFI technology. The RM-Z450 has been a staple in both amateur and professional motocross, with factory riders achieving strong results in AMA Supercross and Motocross championships.
~56 hp
Power
~52 Nm
Torque
111 kg
Weight
~145 km/h (estimate; top speed is not a primary design focus for motocross bikes)
Top Speed
~6.5 L/100km (estimate; varies greatly with riding intensity — motocross use is highly variable)
Fuel
Naked
Body
What Buyers Should Know
Watch the Top End
The RMZ450 requires piston and valve inspections every 15-20 hours of ride time. Skipping this maintenance is the most common cause of costly engine failures on used bikes.
Strong Resale Value
The RMZ450 holds its value well compared to competitors, often retaining 60-70% of its price after one year. Low-hour, well-maintained examples are consistently in high demand.
Fuel Injection Advantage
Starting with the 2013 model, Suzuki added fuel injection, dramatically improving cold starts and throttle response. Buyers should target 2013 or newer models for a significantly more reliable and tunable experience.
Full Specifications
Rivals & Alternatives
Bikes that buyers cross-shop with the Suzuki Rmz450




