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Home Brands P Polini POLINI Cylinder Kit BWS-MBK Booster ⌀47 Pin 12 Racing

-10% New

POLINI Cylinder Kit BWS-MBK Booster ⌀47 Pin 12 Racing

from POLINI

£211.36

You save 10%

£190.23

Net price plus shipping; you may be liable for taxes & duties in the destination country

We expect the product to be available as of 25/05/2024

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Description

New Polini cylinder kits for Yamaha Minarelli engines
Polini Motori presents the new range of kits for Minarelli engines mod. CY, MY, CW with Ø 12mm piston pin.
This feature lets an increase in terms of liability of a parts that its under long stress.
The cast iron cylinder with 6 transfers is machined with tools that grant high quality products, with sliding walls with controlled roughness for a better cylinder-piston sliding. The exhaust diagrams and the transfers have been designed to work in line both with the Polini Original and Scooter Team mufflers.
The piston is mad of special alloy with high siliceous percentage with the aim to grant the maximum resistance to high temperatures.
The piston rings made of spheroidal cast iron, highly resistant to wear, rebored and lapped.
The head is made of special aluminum light alloy with high coefficient of heat exchange. The combustion chamber has been completely redesigned for a high compression ratios with high turbulence.
Polini cylinders kits for Yamaha Minarelli engines must be installed together with the crankshafts with connecting rods for Ø 12 piston pins.
Polini cylinder kits for Yamaha Minarelli engines Ø 12:
166.0074/12
166.0076/12
166.0083/12
Crankshaft :
Item 210.0048/12 Yamaha Horizontal
Item 210.0049/10 Yamaha Vertical
100% Made in Italy

Product features

Material: Guss

English original description

Product features

Material: Guss

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