The Roadster 521 is a 125cc

motorcycle A motorcycle (motorbike, bike, or trike (if three-wheeled)) is a two or three-wheeled motor vehicle steered by a handlebar. Motorcycle design varies greatly to suit a range of different purposes: long-distance travel, commuting, cruising ...

made by the Italian motorcycle firm, Cagiva in the 1990s. One of the fastest accelerating 125cc motorcycles of its time, the Roadster 521 is known to have a top speed of 80 mph restricted and an estimated 100 mph+ un-restricted. Achieving approximately 70 miles per gallon, it is relatively economical for a

2-stroke A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being completed in one revolution of t ...

motorcycle.

Specification

Make Model Cagiva Roadster 521 Number produced 329 between 1993 and 1999 Year 1993 Engine Air cooled, Single cylinder, two stroke Capacity 125 Bore x Stroke 56 x 50.6 mm Compression Ratio 11.7:1 Induction Ignition / Starting Electronic CDI Max Power 15.5 hp @ 7500 rpm Max Torque 18 Nm @ 9000 rpm Transmission / Drive 6 Speed / chain Front Suspension Hydraulic telescopic fork Rear Suspension Single-shock Soft-Damp Front Brakes Single 260mm disc Rear Brakes 160mm drum Front Tyre 3,25-19 Rear Tyre 140/90-15 Dry-Weight 125 kg Fuel Capacity 11 Litres Consumption average 22.0 km/lit Braking 60 - 0 / 100 - 0 13.3 m / 39.9 m Standing ¼ Mile 18.6 sec / 104.0 km/h {{Cagiva Roadster Two-stroke motorcycles Single-cylinder motorcycles Standard motorcycles