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Today's dose of custom-built Royal Enfields is a hefty one. It comes from Leicester-based custom shop Sinroja Motorcycles. They wanted to enter the European Sultan of Sprint race series in the Factory class. Royal Enfield and their Industrial Design boss Adrian Sellers brought just what Sinroja needed with a brand new Continental GT 650.
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However, by the time everything was agreed upon, Sinroja only had four weeks left for their build. “Usually we can do aesthetics or performance in that time,” brothers Rahul and Birju Sinroja told Bikeexif, “but this project needed both. It had to look good and go fast.”
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This Conti had to be fast for it would compete with the likes of a nitrous-powered BMW 1250, a nitrous-powered Indian Scout ridden by the legendary Randy Mamola, and a supercharged 200-plus hp Harley. The brothers took inspiration from Royal Enfield's own custom build 'The Lock Stock' and got to work.
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In its stock condition, the Continental GT 650 makes just 47 hp from its 648cc parallel twin and it weighs 205 kg. Sinroja brothers set a competitive target weight for the Continental GT—150 kilos. S&S Cycle sent over custom pistons and sleeves to bore the twin out to 750cc. Also, they supplied new injectors, cams, and an ECU, and built a straight-through twin exhaust system.
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Trevor Langfield at Wizard of NOS helped them set up a unique dry nitrous system. The system’s neatly packaged underneath the seat, where the GT’s air box and wiring used to be. The lighter forks and yokes accounted for almost 10 kg of weight saving.
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The last few mods included a super-minimal cockpit, and a carbon fiber front fender made from the same mold as the one found on ‘The Lock Stock.’On its first outing, ‘Two Smoking Barrels’ took gold at the Punks Peak hill climb at Wheels and Waves. And it came fourth at the last Sultans of Sprint race, narrowly missing the podium. (Source: Bikeexif)
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