Yamaha bike is a greatest bike in two wheeler auto mobiles in world and Yamaha, s bike r15 bike is a best look best design and comfort racing bike with included 150cc engine which produce 14 bhp power in wheels can be speed boost there are multiple wet cluclt and best controlling design in bike these bike fastest racing bike feel them in city millage is 35 kmph and highway 45 kmph its top speed is 145 kmph in gear compition 1 at gear 50 kmph and second 75 kmph and third 90 kmph and 4 th 105 kmph 5th 125 kmph and last 6th 145 to 150 kmph