TECHNICAL SPECIFICATIONS (550 cc engine specifications in brackets)

Photographs, technical data, specifications and colours refer to the italian market version and may be subject to change without prior notice. For detailed information on the technical characteristics of the vehicle sold in your country, contact an Aprilia dealer.

Engine
77° V twin four stroke. Liquid cooled. Single overhead cam with rocker operated exhaust valves, chain timing drive, 4 valve heads, titanium valves.

Fuel
Lead-free petrol.

Bore x stroke
76 x 49.5 mm (80 x 55 mm)

Total displacement 
449 cc (549 cc).

Compression ratio
12.5:1 (12:1).

Fuel system
Integrated engine management system controlling ignition and fuel injection.
Throttle body: 38 mm. (40 mm)

Ignition
Electronic.

Starting
Electric starting.

Alternator
340 W.

Lubrication
Dry sump with external oil tank. Separate gearbox lubrication.

Gearbox
5 speed. Supermotard gear ratios:
1st 13/30
2nd 15/27 
3rd 16/23
4th 20/23
5th 21/21

Clutch
Multi-plate in oil bath, cable operated.

Primary drive
Spur gears. Transmission ratio: 22/56.

Final drive
Chain. Transmission ratio: 15/48 (16/46).

Frame
Steel perimeter frame with alloy vertical members.

Front suspension
Ø 45 mm upside down fork, double adjustment.

Rear suspension
Box section aluminium swingarm with cast body.
Hydraulic monoshock with compression and rebound adjustment.

Brakes
Front: Ø 270 mm stainless steel disc with radial caliper.
Rear: Æ 240 mm stainless steel disc with radial caliper.

Wheels
Light alloy.
Front: 3.50 x 17”
Rear: 5.50 x 17”

Tyres
Front: 120/70 x 17”
Rear: 180/55 x 17”

Dimensions
Overall length: 2,222 mm
Overall width: 800 mm
Ground clearance: 318 mm
Seat height: 918 mm
Wheelbase: 1,495 mm

Fuel tank
Capacity 7.8 litres