Check out any of the nineteen Gear Change Mechanism components enlisted.
Some items from this specific schematic: Rod-assy-tie,change, Bolt,neutal Position, Boot,change Lever, Spring-kick Pawl.
The Washer,12.5x22x1.2 is the most widely applied product in the Z550G5 GT550 1988 SWEDEN FG GEAR CHANGE MECHANISM ( two times ).