Cylinder Kit, Pinasco - Vespa 50 (100cc) vespa 4t 50c We also recommend replacing tubes

We also recommend replacing tubes whenever you change tires

Variator boss dimensions: 20mm x 14

Tubeless construction — run as vacuum tubeless or with an inner tube if your rim requires it

About Vee Moto

VS5*      Vespa GS 150                    58 - 61  150        Large Frame - 10 in

Cylinder Kit, Pinasco - Vespa 50 (100cc) vespa 4t 50c We also recommend replacing tubesPinasco brand cylinder kit to raise your Vespa 50 to 100cc! We recommend careful tuning . Replacement rings can be found here. Replacement pistons can be found here. ***PLEASE NOTE*** Performance upgrades are considered racing parts and are not covered by warranty. There are too many variables involved with user installed parts, and pushing the limits of your engine tends to wear parts faster. Use at your own risk! Not legal for use in California on