Piaggio Vespa Gearbox Shim Vespa PX (1984-) EFL, T5 125cc, PK, V50, PV125, ET3
The Vespa Shims fit on the Driveshaft, spacing the Gear stack at each end, They come in a variety of over sizes as well as standard ( recommended for new gears). Shims are fitted to allow gearing changes more precise.
Please note rings aren't always precisely manufactured by Piaggio, please make sure you keep this in mind when reassembling the Drive Gears.
Using a gapping tool is essential to measure the tolerances of the shaft.
Comparison No. 138393 - 111996 (PIAGGIO)