The FRAME/FRAME FITTINGS (S1-B/C,KH2 schematic contains the largest amount of parts with sixty-seven listed products.
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 Kawasaki KH250A5 1976 CANADA has forty-one Other parts fiches.