This 5 Gear Box for the Honda Nice engine is building with the original clutch and the original side cover . The adjustments in the Crankcase are contained in the price. They send to us your Crankcase, we will take the special assembly for you. Hereby also the assembly of a ventilation, which is necessary with the Takegawa clutch, escapes additional Crankcase, because this cover of Takegawa contains a smaller volume.