2003 Suzuki JR 50 Technical Analysis & Specification Breakdown
Engineered by Suzuki for the minibike, cross motorcycle segment, the 2003 Suzuki JR 50 utilizes a 49 cc (3 cu in) air-cooled single cylinder, two-stroke layout. Internal engine geometry specifies a bore and stroke of 41.0 x 37.8 mm (1.6 x 1.5 inches).
On the scales, the JR 50 measures 38 kg (84 lbs) dry. Rider ergonomics and chassis geometry center around a 480 mm (18.9 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 860 mm (33.9 in) wheelbase engineered for quick, flickable steering geometry. The 2-liter (0.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Suzuki archive, this model family spans 4 indexed model years from 2002 to 2006, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
480 mm (18.9 in)
Engine
Displacement49.0 ccm (2.99 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Bore x Stroke41.0 x 37.8 mm (1.6 x 1.5 inches)
Fuel SystemCarburettor
CoolingAir
Transmission
Final DriveChain (final drive)
Chassis
Wheelbase860 mm (33.9 inches)
Ground Clearance115 mm (4.5 inches)
Wheels & Brakes
Front Tyre2.50-10-2pr
Rear Tyre2.50-10-2pr
Front BrakesExpanding brake (drum brake)
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Dry Weight38.0 kg (83.8 pounds)
Seat Height480 mm (18.9 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.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
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.
