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Parts guide for all Vespa GSs manufactured from 1955-1963 has exploded diagrams and part numbers (VS1-5
SKU: 1200-1212
Clutch/Gear
* Patent pending
Mid-Race Performance: Polini Corsa 70cc Iron Cylinder
NCY Gear Set (16*42); 139QMB, CSC, Wolf, 50cc vee Parts guide for all VespaNCY 139QMB upgear kit for your 50cc 4 strokes is finally here! This kid is made specifically for big bored engines and increases your gear ratio by 24%. This will allow you to maximize your big bore kit by increased top speed and a more usable rev range. You won't see much if any improved performance if you install these on a stock top end.
US$ 189.99
US$ 99.95
