Aprilia’s RXV 550 is a testament to innovative design and engineering prowess. By employing a unique 77-degree V-angle configuration, the engine achieves remarkable smoothness while maintaining compact dimensions. The absence of a balance shaft is a notable feature, allowing for even greater efficiency.
The engine’s layout boasts an impressive array of features, including replaceable wet-sleeve liners, a single-piece crankshaft, and cylinder heads utilizing just one overhead cam. This clever design enables the 5.5 motor to produce a 12:1 compression ratio and 80x55mm bore dimensions that allow it to rev up to an astonishing pace.
The RXV 550’s capabilities are further highlighted by its ability to generate substantial power, making it an ideal choice for off-road enthusiasts seeking high-performance capabilities in a lightweight package. With a potent combination of engine management via ECU-controlled throttle bodies and strategic material selection, Aprilia has created a truly exceptional motorcycle that excels in both on- and off-road applications.
This machine is poised to exceed expectations with its blistering acceleration, impressive handling, and robust reliability – all hallmarks of an outstanding performance-oriented vehicle.
Key Specifications
Engine Type
Four stroke, 77 V-twin cylinder
Engine Capacity
549 cc / 33.5 cu in
Max Power
52.2 kw / 70 hp
Max Torque
65.9 Nm / 6.7 kgf-m / 48.6 lb-ft @ 10900 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 550
Year
2006 – 2007
Engine
Engine Type
Four stroke, 77 V-twin cylinder
Displacement
549 cc / 33.5 cu in
Bore x Stroke
80 x 55 mm
Compression Ratio
12.0:1
Max Horsepower
52.2 kw / 70 hp
Max Torque
65.9 Nm / 6.7 kgf-m / 48.6 lb-ft @ 10900 rpm
Engine Management System
Integrated engine management system controlling ignition and fuel injection. Throttle body: 40 mm
Cooling System
Liquid cooled
Performance
Top Speed
n/a
*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
Fuel Tank Capacity
2.1 US gallons / 7.8 L
Dry Weight
129 kg / 284 lbs
Features
77 degree V-angle engine design for smoothness and compact size
No balance shaft required
Cylinders built into engine case with replaceable wet-sleeve liners
Single-piece crankshaft for light weight and small size
Single overhead cam for space-saving
12:1 compression ratio in the 5.5 engine, 12.5:1 in the 4.5 engine
Four titanium valves per head
Engine management handled by ECU
38 mm throttle bodies on the 4.5 engine, 40mm on the 5.5 engine
Motard version designed to rev higher, enduro version makes less power
Four distinct motorcycles developed from same power unit
Powerplant designed for high rpm and power output in small package
Use of expensive materials like aluminum silicon alloy, magnesium, and titanium
Engine weighs just 71.4 pounds
Frame is a steel trellis press-fitted into forged aluminum sideplates
Aluminum swingarm on SXV and RXV models
Front forks are jumbo 48mm upside-down units on the SXV, 45mm on the enduro
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*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