| MODEL | YAMAHA RZ50 2002 - 2006 |
| Year | 2002 - 2006 |
| Engine Type | Single cylinder, two-stroke |
| Displacement / Capacity | 49 cc |
| Bore X Stroke | 40.0 x 37.0 mm |
| Compression Ratio | 7.5:1 |
| Cooling System | — |
| Max Power | 5.2 kW / 7.1 hp @ 10000 rpm |
| Max Torque | 5.9 Nm / 4.4 ft-lb @ 8000 rpm |
| Ignition | CDI |
| Induction | Carburettor |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6-speed |
| Clutch | Wet multiple-plate, coil springs |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Hydraulic telescopic fork |
| Rear Suspension | Swingarm with twin shocks |
| Front Brakes | Single disc |
| Rear Brakes | Single disc |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | 1215 mm / 47.8 in |
| Ground Clearance | — |
| Dry Weight | 80 kg / 176.4 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | — |
| Rear Tyre | — |
| FUEL SYSTEM | |
| Fuel Capacity | — |
| Fuel Consumption | — |
| Top Speed | — |
The RZ50 is a European-market 50 cc sports two-stroke with a six-speed gearbox, a wet clutch and disc brakes front and rear. It was aimed at young riders wanting a real small sports bike feel within the 50 cc class.
