Lambretta 49 tooth first gear by Casa LambrettaReproduction of the first gear for the series 2 and 3 TV 175 and SX 20049 teeth.Sourced in Italy!
The Unofficial Lambretta Manual Update by Mark Haines
LAMBRETTA - ILLUSTRATED GUIDE TO THE IDENTIFICATION by Vittorio Tessera
Lambretta Performance Tuning and Conversions - 8099990
Lambretta Tuning Manual by Dave Webster - 8099992