Why engine becomes noisy at high speed?
Hero Xtreme is a simple two-wheeler is designed with motto of providing a package of performance and good fuel economy. Although this bike is a 149cc single cylinder bike, which is capable of generating 14.4bhp at 8500rpm and 12.8Nm of torque at 6500rpm with, five speed gearbox and shows maximum fuel economy of 65kmpl, which is simply good. The main negative point about Hero Xtreme when you try to it good speed by stretching every gear then the engine will become noise because this engine have faced some changes which results in some engine related problems. Basically this happens when you stay high speed on revving most of the time.
Questions about Hero Xtreme