11 Oct 2015 . Royal Enfield Classic 350 is propelled by a 346cc, single-cylinder, 4-stroke, Twinspark engine. The motor is mated to a 5-speed gearbox that works with a wet multiplate type clutch. Developed to produce a maximum power of 19.8bhp at 5, 250rpm and peak torque of 28Nm at 4, 000rpm, the powertrain is highly efficient.