A sample from the products for the Kickstarter Mechanism include: Shaft-kick, Spring-kick Pedal, Guide-kick, Ring-o,10x1.5.
The twenty-one Kmx125-a12 1999 Mexico Kickstarter Mechanism component parts are all listed in this schematic.
The most reasonably priced component used on the Kmx125-a12 1999 Mexico Kickstarter Mechanism is the Circlip-type-c,12mm.