GPR 50 R Race Replica
2003 Derbi GPR 50 R Race Replica Technical Analysis & Specification Breakdown
At the heart of the 2003 Derbi GPR 50 R Race Replica sport motorcycle, Derbi features a 49 cc (3 cu in) single cylinder, two-stroke configuration. 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 Race Replica 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.
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