Its a amazing bike with perfect handling nd so comfortable its look is so fabulous but it is not fuel efficient Honda CBF Stunner 125 is better bike for city. Honda Engine and Gearbox. Honda has used two states of its 125cc engine in Stunner as this bike is available with carburettor and Fuel Injection technology. The regular variant of Stunner gets a power output of 11 bhp at 8000 rpm from its mono-cylinder, 4-stroke, air-cooled engine. The 125cc is the new 100cc in the Indian motorcycle market.