eight components are shown in this Cn250 Helix 1987 (h) Canada Kph Left Crankcase Cover exploded diagram.
A sample from the products for the Left Crankcase Cover include: Rubber,mounting, Screw Tapping,5x8, Pin,dowel,10x18, Cover,l.
On this parts fiche the Screw Tapping,5x8 is the most specified component.