The most expensive part in this assembly is the Crankcase Set.
The Screw 6x65 is the most widely applied product in the GP100U 1979 (N) (E01 E02 E06 E13 E14 E24 E30) CRANKCASE ( three times ).
sixteen components are shown in this Gp100u 1979 (n) (e01 E02 E06 E13 E14 E24 E30) Crankcase exploded diagram.