Engine:	Single-cylinder four-stroke with light alloy cylinder. Liquid cooling with three way pressurised circuit. Single overhead cam with chain timing drive; four valves. Anti-vibration counter-shaft.
Bore and stroke	100 x 84 mm
Displacement	659 cc.
Compression ratio	10:1.
Maximum power at crank	50 HP (37 kW) at 6,250 rpm.
Maximum torque at crank	6.25 kgm ( 61.31 Nm) at 5,200 rpm
Fuel Injection	Integrated electronic engine management system. Electronic fuel injection. 44 mm throttle body.
Ignition	Electronic.
Starting	Electric starter.
Alternator	290 W
Lubrication	Dry sump with oil pump.
Gearbox	5 speed.
Primary drive	Spur gears. Transmission ratio: 36/75.
Final drive	Chain. Transmission ratio: 15/44.
Frame	Steel, open cradle, single spar frame.
Front suspension	45 mm fork. Wheel travel 170 mm.
Rear suspension	High strength steel swingarm. Aprilia Progressive System (APS) rising rate linkages. Sachs hydraulic monoshock with adjustable rebound and preload. Wheel travel 170 mm.
Brakes	Front: Brembo stainless steel disc, Æ 300 mm. Two-piston floating caliper. Rear: stainless steel disc, Æ 240 mm. Floating caliper.
Wheels	Aluminium spoked. Front: 2.15 x 19" Rear: 3.00 x 17"
Tyres	Front: 100/90-19 Rear: 130/80-17
Overall length	2,160 mm
Overall width	810 mm
Ground Clearance	270 mm
Seat height	820 mm
Wheelbase	1,479 mm
Tank	Capacity 16 litres, 3.5 litre reserve.