GPR 50 R

2003 Derbi GPR 50 R Technical Analysis & Specification Breakdown

Positioned in Derbi's sport motorcycle lineup, the 2003 Derbi GPR 50 R relies on a 49 cc (3 cu in) single cylinder, two-stroke powerplant. In factory specification, peak output is rated at 8.8 HP (6.4 kW) at 9,000 rpm.

On the scales, the GPR 50 R measures 105 kg (231 lbs) dry, translating to a power-to-weight ratio of 0.08 HP/kg (11.93 kg per horsepower). Rider ergonomics and chassis geometry center around a 770 mm (30.3 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,315 mm (51.8 in) wheelbase engineered for quick, flickable steering geometry. The 7.25-liter (1.9 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's Derbi archive, this model family spans 3 indexed model years from 2003 to 2011, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.