Polini Contessa 72cc Big Bore Kit – Minarelli 2T

Description

Polini’s entry-level Contessa 72cc Big Bore Kit is an ideal first performance upgrade for riders looking to extract more power from their 2-stroke horizontal Minarelli engine. Relatively straightforward to install and tune, it delivers a meaningful displacement bump without requiring extensive engine work or exotic jetting. Compatible with Yamaha Zuma, BWS, Vino, Jog, Genuine Buddy, RoughHouse, Rattler, and many other Minarelli horizontal-engine scooters.

Key Features

• 72cc displacement upgrade from stock 50cc
• Cast-iron cylinder for durability and heat retention
• Aluminum piston with 2 piston rings included
• 10mm wrist pin with circlips included
• 2 exhaust studs (6mm) included
• Made in Italy by Polini

Specifications

• Displacement: 72cc
• Piston Diameter: 47mm
• Piston Rings: 2x 47mm
• Wrist Pin: 10mm (with circlips)
• Cylinder: Cast iron
• Exhaust Studs: 2x M6
• Dimensions: 7.5″ L x 6″ W x 5″ H
• Weight: 4.5 lbs

Compatibility

Break-in Note: Ride 200–300 miles before running at full throttle for extended periods.

This product is intended for off-road and racing use only. Not legal for use in California on pollution-controlled vehicles. Check local laws before installing. Performance upgrades are not covered by warranty.

California Prop 65 Warning: www.p65warnings.ca.gov