2006 Radical SR3 Supersport

KEY FACTS

• This Radical SR3 Supersport is an exhilarating modern track car, which benefits from a recent engine rebuild with RLM Racing.
• It is powered by a naturally aspirated 1440cc DOHC inline-four based on the unit found in the Suzuki Hayabusa superbike, delivering a dyno-proven 185whp and 112lb-ft of torque to the rear wheels via a rebuilt six-speed sequential manual transmission.
• It has reportedly never been raced competitively, having been used exclusively at track days.

EQUIPMENT AND FEATURES

• This SR3 Supersport is finished in Bugatti Blue, complemented by a black front splitter, and a carbon-fibre aero screen, rear wing and door mirrors.
• It rides on a set of staggered 15-inch front and 16-inch rear Radical Supersport Y-spoke wheels, wrapped in Hankook Ventus tyres.
• The cabin has a moulded fibreglass twin seat with red Radical-branded headrest pads featuring ‘1997-2007’ numbering, as well as a carbon-fibre dashboard and a three-spoke Alcantara-trimmed steering wheel with a Farringdon SWIS10-X display and logger.
• Equipment includes interior and exterior battery master switches, front and rear tow hooks, a floating brake upgrade with adjustable bias, the optional high-downforce package, six-point safety harnesses, uprated heavy duty driveshafts, air jacks, a Lifeline fire extinguisher, a 24-volt starting system and Intrax dampers.
• A spare set of wheels will be included, fitted with Hankook wet weather tyres, alongside various spare parts and tools, and some warranty documents from RLM Racing.

CONDITION

• Please refer to the photo gallery to assess the exterior and interior condition.
• Specific notes from the seller include: stone chips on the inner wheel arches.

SERVICE HISTORY

• The master cylinders and reservoirs were replaced and the pedal heights were adjusted in March 2025 by Classic Modern Sports.
• The engine was rebuilt to 1440cc specification by RLM Racing in February 2025, at a cost of £10,000.
• The throttle bodies were adjusted in May 2022 by RLM Racing.
• The front and rear brake discs were replaced in March 2022 by Classic Modern Sports.
• The gearbox reportedly has less than three load hours under its belt since undergoing a rebuild by SW Engineering using RLM components.

SUMMARY

This Radical SR3 Supersport is a remarkably capable, purpose-built modern track car, which benefits from recent engine and gearbox rebuilds. Finished in Bugatti Blue and boasting the optional high-downforce package, it would make a thrilling companion for track day action for another enthusiast owner..

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