Libero G5 bears the same engine wiand the new modified muffler is to 1down 3 up gear pattern and the gear shift is very smooth. no hard revs and jerks in the engine and the new modified muffler is to give a silent note.it doesn`t have an aluminium cylinder like the fazer or enticer though it`s of 4 stroke air cooled sohc engine which delivers maximum power of 7.6ps @7500 rpm and maximum torque of 0.8kgf m 6000rpm.yamaha has also introduced a compulsive pressure wet sump lubrication system in the 106cc engine of lebero.