To discover exactly which parts you require use the on-line schematic exploded diagram - it will even give you some idea of where and how to fit those new parts.
The Honda CT70H TRAIL 70H 1972 CT70HK1 parts lists consist of thirty-four schematics.
CT70H TRAIL 70H 1972 CT70HK1 section with thirteen Engine, sixteen Frame, five Other schematic pages.