Cylinder Kit, Polini 49mm Big Bore 80cc for 50cc 4-Stroke Vespa, Piaggio (2-Valve)

49mm Polini 80cc Big Bore Cylinder Kit for 50cc 4-Stroke Vespa, Piaggio Scooters (2-Valve)

SPECIFICATIONS:

• Upgrades to 78.7cc
• Cylinder Bore: 49mm

COMPATIBILITY:

• Aprilia – Scarabeo 50 4T 2V

• Italjet – Jet Set 50 4T 2V (Piaggio), Torpedo 50 4T 2V (Piaggio)
• Piaggio – Fly 50 4T 2V, Liberty 50 4T 2V, Zip 50 4T 2V
• Vespa – ET4 50 4T 2V, LX 50 4T 2V, Primavera 50 4T 2V, S 50 4T 2V

Polini 49mm (78.7cc) Cast Iron Sport Cylinder Kit for Piaggio 4-Stroke 2-Valve Engine Powered Scooters. Kit includes cylinder, piston, rings, piston pin, cir clips, dowel pins, and gaskets.

When you use this Polini 49mm Big Bore Kit in conjunction with your stock crankshaft you will increase your total displacement to 78.7cc! The manufacturer claims 6.5bhp at 7,500RPM is possible with this kit.

**NOTE: Electrical, High Performance, Aftermarket items are non-returnable so please check photos and specifications before ordering.

Please see our Warranty and Returns Policy