Cylinder Polini Evolution 3 70cc Piaggio scooter LC

Name: Cylinder Polini Evolution 3 70cc Piaggio scooter LC
Brand: Polini Motori s.p.a.
SKU: 140.0206
Price: 385.26 EUR
Availability: OutOfStock

385,26€

385,26€ ~~481,58€~~ -20%

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SKU: 140.0206

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Description

The Polini Evolution cylinders are synonymous with quality and power. The version 3 includes many changes compared to the previous one.

This evo 3 model is an aluminium kit treated with high-end nykasil, its diameter is Ø47.6mm which offers a real displacement of about 70cc.

The diagrams around 190/130 are well based for circuit use, between peak and torque! The piston is single ring to allow for the highest speeds, this ring is very thin (0.80 mm), hard chromed and domed so that friction is even lower. This piston is treated with a high silicon content which gives it that matte appearance.

What has been most modified is the exhaust outlet of the cylinder, which now comes partitioned in the form of a T-Port. Compared to the Evolution 2, it is noticeable that the two additional outlets have been replaced.

The exhaust outlet is partitioned in the form of a T-Port (rectangular), which may seem quite surprising but greatly improves the efficiency of the horizontal exhaust. The intake is carried out through 6 transfers, 2 rear, 4 lateral, which are also very well designed as they pass under the exhaust, to achieve maximum performance it is recommended to use a 24mm to 26mm carburettor

The cylinder head is composed of two pieces, head and small head, to obtain the best possible cooling

With these competition kits, a set of base gaskets of different thicknesses is supplied to set your squish. This cylinder announced by Polini has a power of 21 HP at 13,400 rpm.

Assembly instructions

See the Spare parts for this product