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SXV

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In our mind, the Aprilia SXV 550 (and its smaller sibling, the Aprilia SXV 450) is one of the most impressive motorcycles made in modern time…with one caveat.

The 77° v-twin SXV made headlines with its impressive power figures (70hp for the 550cc version), as well as its tendency to blow itself apart.

A true race bike with lights, the SXV line was a bit of a disaster for Aprilia, in terms of customer reliability, and unfortunately that made the limited number of supermoto and dirt bikes produced by Noale very short-lived with their owners.

So, it warms our heart whenever we see the SXV engine used for other projects, if for no other reason than it makes us wonder what could have been.

Take for example this sport bike custom from Simone Conti Motorcycles, which turns the SXV into something that is quite far from the original design intent.

We don’t know if the whole dirt bike into street bike club racing thing is more than just a fad, but the BeOn SXV 450 sure looks like it would be a blast during our local track day excursions. Based around an Aprilia SXV 4.5 supermotard, BeOn has constructed a body kit that includes roadracing fairings, fuel tank, and seat with rear tail. While the motor and frame remain stock, other amenities include road oriented suspension, wheels, gearing, and single-disc brakes.

This isn’t the first time BeOn has made ready-to-race “450GP” bikes out of cheap dirt bikes, but the use of the Aprilia 450cc v-twin SXV/RXV motor, instead of your typical Japanese single-cylinder, certainly has us intrigued. With the Aprilia lump making 60hp in its stock form (70hp if you use the SXV 5.5 motor), and the whole package by BeOn weighing 130kg (265 lbs), the BeOn SXV 450 would be a barrel a fun for any track day enthusiast, and make up for the Aprilia RSV550 that never materialized (sad trombone).