Conrod bush -OEM QUALITY 12mm (11.7x14.1x11.6mm)- Vespa 50 (V5A1T), 50 Elestart (V5B2T), 50 N Special (V5A1T, V5B3T), 50 Special (V5B1T), Piaggio Ciao (M73ET), Bravo (EEM2T)

Replacement connecting rod bushing for crankshafts that do not yet have a needle bearing.
If the bushing is worn, this is noticeable by a knocking engine run.
The new bushing is pressed in and then reamed with a suitable reamer to the dimension matching the piston pin.
Previously, any oil bore in the connecting rod is transferred to the bushing by drilling.