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Derbi GPR 50 Racing
2005Sportbike

Derbi GPR 50 Racing

Key specifications

Engine
49 cc
Weight
102 kg
Fuel type
petrol
Transmission
6-speed
Front brakes
Single disc
Rear brakes
Single disc

Overview

Introducing the 2005 Derbi GPR 50 Racing, a motorcycle that embodies the spirit of the racetrack while remaining accessible to the everyday rider. This lightweight sportbike is designed for those who crave the thrill of speed and agility, making it an ideal choice for both aspiring racers and enthusiasts looking to enhance their riding experience. With its sharp lines and aggressive stance, the GPR 50 Racing captures the essence of performance in a compact form, appealing to younger riders and those entering the world of sport motorcycles. At the heart of the GPR 50 Racing is a spirited 49 cc single-cylinder, two-stroke engine that delivers exhilarating performance. With a compression ratio of 11.5:1, this powerhouse is designed for quick acceleration and a lively top-end rush, making it perfect for navigating twisty back roads or tackling urban environments. The engine is fed by a Dellorto PHVA 14 carburettor, ensuring precise fuel delivery, while the CDI ignition system provides reliable starts and smooth power delivery. Paired with a slick 6-speed gearbox, the GPR 50 Racing allows riders to maximize their riding experience, whether they’re carving through corners or cruising down the straightaways. The GPR 50 Racing is not just about raw power; it’s also packed with features that enhance both handling and rider comfort. The inverted front fork and monoshock rear suspension work in harmony to provide exceptional stability and feedback, allowing riders to push the limits with confidence. Braking is equally impressive with a robust single disc setup—300 mm up front and 180 mm at the rear—ensuring that the bike stops as sharply as it accelerates. Weighing in at just 102 kg (224.9 pounds), the GPR 50’s lightweight design enhances maneuverability, making it a joy to ride in any situation. Plus, with an electric starter, getting on the road is quick and hassle-free. **

Pros

  • Lightweight and Agile: At just 102 kg, the GPR 50 is incredibly easy to handle, making it perfect for new riders and those seeking spirited performance.
  • Sporty Engine Performance: The 49 cc two-stroke engine provides a thrilling ride with excellent acceleration and responsiveness.
  • Advanced Suspension and Braking: Features like the inverted front fork and powerful disc brakes enhance stability, control, and safety during rides.

Cons

  • Limited Power for Highways: While great for city riding and twisty roads, the 50 cc engine may struggle on faster highways or longer commutes.
  • Small Fuel Tank: The compact design includes a smaller fuel tank, which may require more frequent refueling on longer rides.
  • Two-Stroke Maintenance: As a two-stroke engine, it may require more regular maintenance and attention compared to four-stroke counterparts.

Technical details

Source specification data

Make
Derbi
Model
GPR 50 Racing
Category
Sport
Starter
Electric
Gearbox
6-speed
Ignition
CDI
Fuel System
Carburettor. Dellorto PHVA 14
Compression
11.5:1
Displacement
49.00 ccm (2.99 cubic inches)
Cooling System
Liquid
Engine Details
Single cylinder, two-stroke
Dry Weight
102.0 kg (224.9 pounds)
Overall Length
1,961 mm (77.2 inches)
Rear Tyre
130/70-17
Front Tyre
110/80-17
Rear Brakes
Single disc
Front Brakes
Single disc
Rear Suspension
Monoshock
Front Suspension
Inverted Fork
Rear Brakes Diameter
180 mm (7.1 inches)
Front Brakes Diameter
300 mm (11.8 inches)