Lambretta fan wheel housing for the (early) J50, Cento, J125, J125, Starstream, lui 50, lui 75, Vega and Cometa models built up to March 1969.
The fan wheel housing was available from Innocenti with two different bearings, depending on the crankshaft fitted. This depends on the model year. Until March 1969, the more complex NAO 20-37-16 needle bearing was used, after that the 6204 ball bearing.
The maghousing is for the early NAO 20-37-16 needle bearing. AI-translation