> Cylinder kit Polini Evolution P.R.E 4 100cc (Piaggio)

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New Cylinder kit Polini Evolution P.R.E 4 100cc (Piaggio) View larger

Cylinder kit Polini Evolution P.R.E 4 100cc (Piaggio)

140.0240

New product

Polini

The Polini Evolution P.R.E. 4 – 100cc Cylinder Kit is an extreme racing cylinder kit designed for Piaggio 2-stroke engines.

This cylinder is designed for:

- High RPM - Maximum power

- Track/drag/running use

P.R.E. 4 technology is based on an ultra-aggressive transfer port design, a very high port timing, and tight tolerances, resulting in a complete and consistent engine configuration.

Specifications:

Bore (mm): 52

Stroke (mm): 52

Displacement (cc): 99.7

Piston pin diameter (mm): 14

Squish (mm): 0.65

Connecting rod length (mm): 100

Piston ring tolerance (mm): 0.35-0.40

Piston-to-cylinder overlap (mm): 0.08-0.10

Compression ratio: 16

Tightening torque - cylinder M7 (Nm): 14

Tightening torque - cylinder head M7 (Nm): 14

Tightening torque - cylinder head M5 (Nm): 8

Karting track fuel mixture percentage: 4%

Racing track fuel mixture percentage: 5%

Optimal operating temperature (°C): 50-55

In stock

CAD$ 749.99