Royal Enfield Thunderbird 350 Summary 346 cc 19.8 bhp 30 kmpl 192 kg Thunderbird 350 key highlights Price ₹ 1,49,311 Top speed 107 Kmph Mileage 30 kmpl Colours Marine Lightning Stone Flicker Asphalt About Thunderbird 350 Although Royal Enfield has been selling the Thunderbird in India since the year 2000, it was only by 2009 that the brand updated the motorcycle comprehensively by introducing the 346 cc unit construction engine (UCE) that now powers all their 350cc models. In October 2012, Royal Enfield launched a facelifted version of the Thunderbird 350 featuring a teardrop shaped fuel tank, digital instruments and fuel gauge and a projector headlamp. Additionally, the motorcycle gets an LED tail light and a few other cosmetic enhancements. The Thunderbird 350 uses a single cylinder, 4 stroke, Twinspark engine 19.8 bhp of power at 5,250rpm and 28Nm of torque at 4,000rpm. This air cooled unit is mated to a 5-spe...