Suitable for the VeloSoleX-models 5000 and 3800 with the release lever on the right side of the handlebar. The disc is for strengthening the deco lever.
Also required for a shortened cylinder head on the 4 spacer sleeves for the cylinder head bolts.
Nomenclature no. 10361 - washer for cylinder head screw valid from March 1967 and from engine no. 3.800.000.