Cylinder and crankshaft kit Polini Aluminium 80cc Derbi Euro 3/4

Cylinder and crankshaft kit Polini Aluminium 80cc Derbi Euro 3/4.

The Polini preparation kit increases the engine capacity of the motorcycle up to 80cc, increasing the power.

It features an aluminium cylinder with a 50 mm diameter, piston with 2 piston rings and nikasil coating.

It comes with a reinforced crankshaft capable of withstanding great stress and high revolutions.

Includes bearings for smooth and optimal rotation and crankshaft seals for good sealing.

Overall, this kit notably improves the performance of the engine assembly.

With a proper tune-up, it is possible to exceed 18 hp.

Note: DOES NOT include cylinder head (the original must be used).

COMPONENTS:

• 1x Aluminium cylinder
• 1x Small cylinder head
• 1x Piston
• 2x Piston rings
• 1x Wrist pin
• 2x Clips
• 1x Gasket set
• 4x Studs
• 1x Crankshaft
• 1x Needle bearing
• 1x Bearing and seal kit