Cylinder and crankshaft kit Polini Iron 50cc Derbi Euro 3/4

Cylinder and crankshaft kit Polini Iron 50cc Derbi Euro 3/4.

The Polini kit maintains the engine displacement of the motorcycle improving the performance compared to the original cylinder.

It features a cylinder made of iron, 40 mm diameter and a piston with 2 piston rings that offers a long service life.

The reinforced crankshaft offers great resistance to stress and high revolutions, making it durable.

Includes bearings for smooth rotation and seals that ensure proper sealing of the shafts.

With an optimal tuning, an increase in power is achieved.

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

COMPONENTS:

• 1x Cylinder (iron)
• 1x Small cylinder head
• 1x Piston
• 2x Piston rings
• 1x Wrist pin
• 2x Clips
• 1x Gasket set
• 1x Crankshaft
• 1x Needle bearing
• 1x Bearing and seal kit