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Cylinder kit - Polini Big Evolution 70ccm
SKU: 140.0207
  • Cylinder kit - Polini Big Evolution 70ccm
  • Cylinder kit - Polini Big Evolution 70ccm
  • Cylinder kit - Polini Big Evolution 70ccm
  • Cylinder kit - Polini Big Evolution 70ccm
  • Cylinder kit - Polini Big Evolution 70ccm
  • Cylinder kit - Polini Big Evolution 70ccm
€336.00
Pre-order item

Product description

Polini Big Evolution 70ccm is in every way a different kit, not only because of the look, but i.a. also due to clamping the exhaust flange has been changed so that it is now done with three bolts. The performance is, as always on the Polini Evolution 70ccm, top notch and with the right parts you are guaranteed good durability and high performance. For this cylinder kit, a spark plug with a long thread must be used and the kit is delivered complete incl. gaskets, piston ring, etc. NOTE: Due to the size of the skirts, it is necessary to mill up the engine block. The cylinder kit only fits the Polini Big Evolution 70ccm exhaust (3-bolt tightening) and rod85 crankshaft must be used. On the Gilera Runner, there may be problems with space for the exhaust due to the engine suspension. If this is the case, engine mounts from e.g. Gilera Stalker.

Specifications

Generally
Bore ø47,6mm
Class Hyper-racing
Piston pin ø12mm
Displacement 70ccm
Flush canals 6
Stroke 39.3mm
Exhaust port Two piece
Material Alloy

Does it fit?

This item fits the following models:

Aprilia SR 50 2T Euro4 (2018->)
Aprilia SR Factory 50 2T (karburator)
Gilera DNA 50 2T
Gilera Runner 50 2T LC (before 08/2005)
Gilera Runner SP 50 2T LC (after 08/2005)
Piaggio NRG Mc2 50 2T LC
Piaggio NRG Power DD 50 2T LC
Piaggio Zip SP 50 2T (after 2006)

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Exhaust - Polini Big Evolution 70ccm

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