The Circlip-type-e,10mm is the lowest priced item on this Kickstarter Mechanism ('80-'81 K schematic.
A sample from the products for the Kickstarter Mechanism ('80-'81 K include: Ratchet, Gear-spur,kickstarter, O Ring,12mm, Guide-kick.
The Circlip-type-c,16mm is the most widely applied product in the KE175-D3 KE175 1981 USA CANADA KICKSTARTER MECHANISM ('80-'81 K ( three times ).