PRC (Pro Racing Cycles) LX-RR Works - 2007 Specifications and Reviews
The 2007 PRC LX-RR Works is a lightweight 50cc motocross bike designed for young riders and beginners entering competitive racing. Its compact single-cylinder engine delivers sharp throttle response and manageable power, while the progressive CDI ignition ensures reliable performance across the RPM range. Best suited for grassroots motocross competition and training programs.
2007
Engine and Transmission Specifications | |
| Clutch | One Disk Racing clutch |
| Transmission typefinal drive | Chain |
| Gearbox | Automatic |
| Cooling system | Liquid |
| Starter | Kick |
| Ignition | Progressive CDI |
| Fuel control | Port control |
| Fuel system | Carburettor. PRC 19MM |
| Bore x stroke | 39.5 x 40.0 mm (1.6 x 1.6 inches) |
| Compression | 13.5:1 |
| Max RPM | 14800 |
| Torque | 8.20 |
| Power | 13.50 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 49.50 ccm (3.02 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,016 mm (40.0 inches) |
| Ground clearance | 279 mm (11.0 inches) |
| Overall width | 787 mm (31.0 inches) |
| Overall length | 1,346 mm (53.0 inches) |
| Overall height | 914 mm (36.0 inches) |
| Seat height | 660 mm (26.0 inches) If adjustable, lowest setting. |
| Dry weight | 36.0 kg (79.4 pounds) |
| | |
PRC (Pro Racing Cycles) LX-RR Works dimensions and frame | |
| Rear brakes diameter | 140 mm (5.5 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 160 mm (6.3 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 3.0-10 |
| Front tyre dimensions | 100/90-12 |
| Rear suspension | Olins 36DPW |
| Front suspension | Marzocchi 35mm Inverted Shiver Forks |
| Trail | 125 mm (4.9 inches) |
| Rake (fork angle) | 26.0° |
| Frame type | Youth group Aluminum Frame, with tapered roller bearing in the front stem |
Speed and acceleration | |
| Power/weight ratio | 0.3750 HP/kg |
| Top speed | 80.5 km/h (50.0 mph) |
| Category | Cross / motocross |
| Year | 2007 |
| Model | PRC (Pro Racing Cycles) LX-RR Works |

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