Cylinder kit (diameter 39.88mm / 49.9cc) - Polini

Polini cylinder kit (39.88mm / 49.9cc) for the following applications: Aprilia RS4 50 H2O 2T E3 (2011-2013 / D50B0) / RS4 50 H2O 2T E3 (2014-2016 / D50B0) / RS4 50 H2O 2T E4 (2018-2020 / D50B0) / RS50 H2O 2T E2 (2006-2010 / D50B0) / RX 50 Enduro H2O 2T E2 (2006-2010 / D50B0) / RX 50 Enduro H2O 2T E2 (2011-2013 / D50B0) / RX 50 Enduro H2O 2T E2 (2014-2017 / D50B0) / RX 50 Enduro H2O 2T E4 (2018-2020 / D50B0) / SX 50 SM H2O 2T E2 (2006-2010 / D50B0) / SX 50 SM H2O 2T E2 (2011-2013 / D50B0) / SX 50 SM H2O 2T E2 (2014-2017 / D50B0) / SX 50 SM H2O 2T E4 (2018-2020 / D50B0) / Derbi GPR 50 Nude H2O 2T E2 (2006-2008 / D50B0) / GPR 50 Racing H2O 2T E2 (2006-2009 / D50B0) / GPR 50 Racing H2O 2T E2 (2009-2013 / D50B0) / Senda R DRD Pro 50 H2O 2T E2 (2005-2011 / D50B0) / Senda R DRD Racing 50 H2O 2T E2 (2005-2008 / D50B0) / Senda R DRD Racing 50 H2O 2T E2 (2010-2012 / D50B0) / Senda R DRD X-Treme 50 H2O 2T E2 (2010-2015 / D50B0) / Senda R X-Race 50 H2O 2T E2 (2006-2010 / D50B0) / Senda R X-Treme 50 H2O 2T E2 (2006-2010 / D50B0) / Senda R X-Treme 50 H2O 2T E4 (2018-2020 / D50B0) / Senda SM DRD Evo 50 H2O 2T E2 (2008-2009 / D50B0) / Senda SM DRD Pro 50 H2O 2T E2 (2005-2011 / D50B0) / Senda SM DRD Racing 50 H2O 2T E2 (2005-2008 / D50B0) / Senda SM DRD Racing 50 H2O 2T E2 (2010-2013 / D50B0) / Senda SM DRD Racing 50 H2O 2T E4 (2018-2020 / D50B0) / Senda SM DRD X-Treme 50 H2O 2T E2 (2010-2017 / D50B0) / Senda SM DRD X-Treme LTD 50 H2O 2T E2 (2013-2017 (D50B0) / Senda SM X-Race 50 H2O 2T E2 (2006-2010 / D50B0) / Senda SM X-Treme 50 H2O 2T E2 (2006-2010 / D50B0) / Senda SM X-Treme 50 H2O 2T E4 (2018-2020 / D50B0) / Gilera RCR 50 H2O 2T E2 (2006-2010 / D50B0) / RCR 50 H2O 2T E2 (2011-2015 / D50B0) / RCR 50 H2O 2T E4 (2018-2020 / D50B0) / SMT 50 H2O 2T E2 (2006-2010 / D50B0) / SMT 50 H2O 2T E2 (2011-2017 / D50B0) / SMT 50 H2O 2T E4 (2018-2020 / D50B0) / SMT 50 Racing H2O 2T E2 (2011-2012 / D50B0) / Valenti Racing Naked 50 N01 H2O 2T E2 (2013-2017 / D50B0) / Racing Naked 50 N01 H2O 2T E4 (2018-2020 / D50B0) / Racing RME50 H2O 2T E2 (2012-2017 / D50B0) / Racing RME50 H2O 2T E4 (2018-2020 / D50B0) / Racing Scrambler 50 S01 H2O 2T E2 (2013-2017 / D50B0) / Racing Scrambler 50 S01 H2O 2T E4 (2018-2020 / D50B0) / Racing SM50 H2O 2T E2 (2012-2017 / D50B0) / Racing SM50 H2O 2T E4 (2018-2020 / D50B0).

The kit includes:
- Cylinder;
- Complete piston (piston, wrist pin, rings, circlips);
- Cylinder head;
- Gaskets.

Technical specifications:
- Displacement: 49.9 cc;
- Stroke: 40.00 mm;
- Bore: 39.88 mm;
- Piston pin: 12 mm;
- Cooling: liquid-cooled;
- Material: cast iron;
- Class: Standard.