22 June. Monday 2026
Rieju MRX - 2005 Specifications and Reviews
The 2005 Rieju MRX is a compact 50cc motocross bike designed for young riders and beginners entering the sport. Powered by a liquid-cooled single-cylinder two-stroke engine producing 9.5 horsepower, it delivers responsive performance ideal for learning fundamental riding techniques on dirt tracks. Known for its nimble handling and manageable size, the MRX suits riders developing their motocross skills.
2005
Engine and Transmission Specifications | |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Automix |
| Fuel system | Carburettor. Dell´ortho PHBN 14-12 |
| Bore x stroke | 39.0 x 40.3 mm (1.5 x 1.6 inches) |
| Compression | 12.0:1 |
| Power | 9.50 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 50.00 ccm (3.05 cubic inches) |
| | |
Physical measures and capacities | |
| Wheelbase | 1,332 mm (52.4 inches) |
| Overall width | 800 mm (31.5 inches) |
| Overall length | 2,050 mm (80.7 inches) |
| Overall height | 1,170 mm (46.1 inches) |
Rieju MRX dimensions and frame | |
| Exhaust system | Aluminum silencer |
| Rear brakes diameter | 200 mm (7.9 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 260 mm (10.2 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 110/80-18 |
| Front tyre dimensions | 80/90-21 |
| Rear suspension | Showa |
| Front suspension | Showa advantage with inverted bracket |
| Frame type | Perimetral of double beam in steel. |
Speed and acceleration | |
| Fuel capacity | 8.40 litres (2.22 gallons) |
| Category | Cross / motocross |
| Year | 2005 |
| Model | Rieju MRX |
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