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Technical Overview
2007 Derbi GPR Racing 50 Technical Analysis & Specification Breakdown
Built around Derbi's sport motorcycle platform, the 2007 Derbi GPR Racing 50 utilizes a 49.9 cc (3 cu in) liquid-cooled single cylinder, two-stroke layout. Internal engine geometry specifies a 12.5:1 compression ratio.
Rider ergonomics and chassis geometry center around a 800 mm (31.5 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,355 mm (53.3 in) wheelbase engineered for quick, flickable steering geometry. The 13-liter (3.4 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Standover Height
800 mm (31.5 in)
Engine
Displacement49.9 ccm (3.04 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Compression12.5:1
Fuel SystemCarburettor. Dell´Orto PHVA-14
IgnitionElectronic C.D.I.
CoolingLiquid
Transmission
Gearbox6-speed
ClutchMultidisc
Chassis
Front SuspensionInverted fork.
Front Travel120 mm (4.7 inches)
Rear SuspensionMonoshock
Rear Travel110 mm (4.3 inches)
Wheelbase1355 mm (53.3 inches)
Wheels & Brakes
Front Tyre110/80-17
Rear Tyre130/70-17
Front BrakesSingle disc
Front Brake Ø300 mm (11.8 inches)
Rear BrakesSingle disc
Rear Brake Ø180 mm (7.1 inches)
Dimensions & Weight
Seat Height800 mm (31.5 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
