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Harley-Davidson Street 750 Zonnevlek Is Here to Conquer the Drag Strip

Zonnevlek 8 photos
Photo: Custom Works Zon
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Aside from the mighty Revolution X mill, not a single factory part escaped the swarm of radical modifications unleashed by this Japanese firm.
Today, we’ll be diving in for a thorough examination of a famous aftermarket entity that hails from Japan: Custom Works Zon. The donor for this project was a 2015 model from Harley-Davidson's Street 750 lineup. This bad boy is put in motion by a liquid-cooled Revolution X V-twin mill that boasts a healthy displacement of 754 cc.

At around 7,955 revs, the engine will gladly deliver up to 57 hp, along with 43 pound-feet (58 Nm) of crushing torque at 3,790 rpm. A six-speed gearbox sends this force to the rear 15-inch hoop via a belt final drive, enabling to a 0-60 mph (0-96 kph) acceleration time of just 4.6 seconds. Additionally, Milwaukee’s colossus is capable of running the quarter-mile in a mere 13.7 seconds at approximately 94 mph (151 kph).

As for Zon’s bespoke work of two-wheeled art, nicknamed Zonnevlek, the only component that remains untouched is the bike’s V-twin powerplant. Otherwise, each and every last module has been subjected to some serious aftermarket mutations. For starters, the crew honored the bike’s frame with a radical makeover that uses a cradle-type design.

The angular tank houses the electrical units, an Autometer tachometer, and one bonkers jockey shifter, while the fuel cell itself was relocated underneath the saddle. At the front, you will find a pair of custom forks gripping a 19-inch wheel enveloped in Avon Speedmaster rubber. On the other end, we notice a single-sided swingarm and a monoshock setup handling suspension duties, as well as a 15-inch hoop that keeps everything moving. The rear wheel is hugged tightly by a top-grade drag tire from Hoosier.

To top it all off, the powerplant gained a fresh exhaust system that manages to look seriously ominous. To suit the new exhaust, the Street 750’s fueling setup received a comprehensive remap. Finally, the unique side panels, tail section, and seat pan come together to form a single unit.

Now, that's what we’d call a complete transformation!
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About the author: Silvian Secara
Silvian Secara profile photo

A bit of an artist himself, Silvian sees two- and four-wheeled machines as a form of art, especially restomods and custom rides. Oh, and if you come across a cafe racer article on our website, it’s most likely his doing.
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