TMX125 Alpha is powered by the legendary Overhead Valve (OHV) engine, making it unique from other motorbikes. This OHV engine uses a push rod to balance acceleration and control for hours of easy and hassle-free operations while beingĀ fuel-efficient at 62.5km/L at 45Km/H constant speed. And to meet the customersā requirement for best balance of engine power and acceleration, the rear sprocket is improved from 44T to 38T, making it perfect bike for daily commuting usage.