Aprilia RXV 450 (2006)

Aprilia’s RXV 450 is a testament to Italian engineering ingenuity, blending razor-sharp power delivery with lightweight agility.

Its V-Twin engine, featuring a compact 77-degree V-angle design, is a marvel of modern technology. By eliminating the need for a balance shaft and cleverly integrating cylinder sleeves into the engine case, Aprilia has created an incredibly smooth and compact powerplant that’s simply begging to be revved hard.

On the trail, the RXV 450’s engine character shines through, with a willingness to accelerate that’s nothing short of intoxicating. While it may not produce as much outright power as its SXV Supermoto sibling, the enduro-focused RXV makes up for this with a more torque-rich delivery at lower revs – perfect for navigating technical off-road terrain.

From its aggressive styling to its remarkably compact dimensions, every aspect of the RXV 450 screams “get me out there and ride!” And that’s exactly what it does – delivering an exhilarating riding experience that’s hard to resist.

Key Specifications

Engine Type	Four stroke, 77 V-twin cylinder,
Engine Capacity	449 cc / 27.4 cu in
Max Power	44.7 kw / 60 hp
Max Torque	54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 11000 rpm
Fuel Tank Capacity	2.1 US gallons / 7.8 L

*n/a – information not provided by manufacturer

All Specifications

Make & Model

Model	Aprilia RXV 450
Year	2006

Engine

Engine Type	Four stroke, 77 V-twin cylinder,
Displacement	449 cc / 27.4 cu in
Bore x Stroke	76 X 49.5 mm
Compression Ratio	12.5:1
Max Horsepower	44.7 kw / 60 hp
Max Torque	54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 11000 rpm
Engine Management System	Integrated engine management system controlling ignition and fuel injection. Throttle body: 38 mm
Cooling System	Liquid cooled

Performance

Top Speed

183 km/h / 114 mph

*n/a – information not provided by manufacturer

Transmission

Gearbox	5 Speed
Final Drive	Chain

Electrical & Electronics System

Starter

Electric

Chassis & Suspension

Frame Type	Steel perimeter frame with alloy vertical members
Front Suspension	45 mm Upside down fork, double adjustment
Rear Suspension	Box section aluminium swingarm with cast body, hydraulic monoshock with compression and rebound adjustment

Wheels & Brakes

Front Tire Size	90/90 -21
Rear Tire Size	140/80 -18
Front Brakes	Single 270 mm disc, 4 piston caliper
Rear Brakes	Single 240 mm disc, 2 piston caliper

Dimension & Weights

Wheelbase	58.9 inches / 1495 mm
Fuel Tank Capacity	2.1 US gallons / 7.8 L
Dry Weight	120 kg / 265 lbs

Features

77 degree V-angle engine design
No balance shaft required
Cylinders built into engine case with replaceable wet-sleeve liners
Crankshaft is a single piece for lightness and compact size
Single overhead cam on cylinder heads
Compressed mixture ratio: 12.1:1 in 5.5 engine, 12.5:1 in 4.5 engine
Four titanium valves per head
Bore sizes: 80x55mm (5.5 motor), 76×49.5mm (4.5 motor)
Engine management by ECU controlling 38/40mm throttle bodies
SXV motard designed to rev higher, RXV enduro makes less power but more torque at low-medium rpm
Four distinct motorcycles developed from same power unit
Use of expensive materials: aluminum silicon alloy, magnesium, titanium
Motor weight: 71.4 pounds (SXV)
Engine makes 70 HP with racing exhaust (SXV 5.5), 60 HP (SXV 4.5), 58 HP (RXV 5.5), 55 HP (RXV 4.5)
Frame is a steel trellis press-fitted into forged aluminum sideplates
Non-counterbalanced motor used as stressed member
Aluminum swingarm on SXV and RXV, wide enough for up to 6.5 inch rear wheel
Jumbo 48mm/45mm upside-down front forks with adjustable preload

*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com