Derbi GPR 50 Racing: A High-Performance Pocket Rocket
The Derbi GPR 50 Racing, a testament to the Spanish manufacturer's prowess in creating thrilling two-wheelers, debuted in 2004, captivating motorcycle enthusiasts with its exceptional performance and stylish design. This pocket-sized racing machine, powered by a 50cc liquid-cooled single-cylinder two-stroke engine, delivers an exhilarating ride experience that belies its compact dimensions.
Engine and Transmission
At the heart of the GPR 50 Racing lies a state-of-the-art 49cc two-stroke engine that combines potent power delivery with impressive fuel efficiency. Its advanced design features a liquid-cooling system, ensuring optimal engine temperatures even under demanding conditions, and a high-performance exhaust that enhances both power and sound harmonics.
The transmission, a meticulously engineered six-speed gearbox, provides smooth and precise gear changes, allowing riders to seamlessly exploit the engine's ample torque and power throughout the rev range.
Suspension and Handling
Exceptional handling and stability are hallmarks of the GPR 50 Racing, thanks to its advanced suspension system. At the front, a 41mm upside-down fork with adjustable preload and damping settings provides exceptional control and feedback. The rear suspension, featuring a monoshock with adjustable preload and rebound damping, ensures a plush ride and optimal traction under all conditions.
The combination of a lightweight aluminum frame, adjustable handlebars, and grippy tires further enhances the bike's agility and maneuverability, inspiring confidence and precise handling on winding roads and racetracks alike.
Braking System
Safety is paramount in the GPR 50 Racing, and its advanced braking system ensures exceptional stopping power and control. The front brake features a single 320mm disc gripped by a powerful two-piston caliper, providing excellent feel and fade resistance. The rear brake, featuring a 220mm disc and a single-piston caliper, complements the front brake effectively, ensuring balanced and stable deceleration.
Design and Aesthetics
The GPR 50 Racing captivates with its aggressive and aerodynamic design, inspired by the world of MotoGP racing. Its sleek fairings, sharp lines, and striking color schemes exude a sense of speed and performance. The ergonomic seat, designed for comfort and support, allows riders to maintain a sporty riding position for extended durations.
The instrument cluster, featuring a digital speedometer, tachometer, and various warning lights, provides essential riding information at a glance, further enhancing the bike's user-friendly nature.
Performance and Capabilities
With a peak power output of around 7.5 kW (10 PS) and a torque figure of 9.5 Nm, the GPR 50 Racing offers an exhilarating ride experience that belies its compact size. Its acceleration is brisk, and its top speed, approaching 120 km/h, is impressive for a 50cc motorcycle.
The combination of a responsive engine, nimble handling, and effective braking system makes the GPR 50 Racing an ideal choice for both urban commuting and enthusiastic weekend rides on winding roads. Its versatility extends to track days, where it can provide a thrilling and accessible introduction to the world of motorcycle racing.
Derbi Gpr 50 Racing 2004-2005 Parts Catalogue Manual
File Format: PDF
Specifications: GOOD QUALITY & FULLY PRINTABLE
All the parts images & wiring diagram may help you for the procedures of disassembly and reassembly (no parts numbers included in the manual).
