The most reasonably priced component used on the Xt600z 1988 3ds1 Switzerland 283aj-300e1 Alternate (carburetor)(for Switzerland) is the Washer,spring.
The Yamaha ALTERNATE (CARBURETOR)(FOR SWITZERLAND) has fifty-three products enlisted in the schematic.
A sample from the products for the Alternate (carburetor)(for Switzerland) include: Washer,spring, Jet, Main (# 145), Spring, Throttle Valve, Carburetor Assy 1.