Aprilia SXV 4.5 - 5.5 using amazing 45.2 engine is, of course, became the center of SXV technology. Aprilia SXV high-tech design has been proven 100% reliable in competition. Even homologation for road use is not disrupted technology and incredible engine performance, which is produced entirely by Aprilia. Since the early stages of the design process, 45.2 has evolved to keep up with developments Aprilia SXV chassis and provide the best mix.
All design choices have been taken in order to obtain maximum power plus extended useful power band. Sophisticated electronic engine management system, developed by Aprilia Racing, incorporates numerous innovations for off-road sector.
Injection system features 38 mm throttle bodies (40 mm at 550) and is managed by a programmable control unit. Starting with the model 2008, the ECU can switch between two different mappings at the touch of a button on the handlebars. This extremely useful innovation offers the full power mapping for use in conditions of good grip, and mapping, the second is more gentle to smooth power delivery under difficult conditions. This system provides a very legitimate assistance to control and has been welcomed both by expert riders (the system was really tested in the final stages of the championship of the world) and by supermotard fans in general. All you need is one quick click to select exactly the right power for the state.
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