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 ΒΌ Mile
18.6 sec / 104.0 km/h
{{Cagiva
Roadster
Two-stroke motorcycles
Single-cylinder motorcycles
Standard motorcycles