Cylinder kit Polini (47.6mm / 69.94cc) for the following applications: Aprilia SR 50 Factory H2O 2T E2 (2004-2009 / Piaggio) / SR 50 Factory H2O 2T E2 (2010-2014 / Piaggio) / SR 50 Racing H2O 2T E2 (07/2003-2008 / Piaggio) / SR 50 Sport H2O 2T E2 (07/2003-2008 / Piaggio) / SR 50 Street H2O 2T E2 (07/2003-2008 / Piaggio) / SR 50 Street H2O 2T E2 (2009-2012 / Piaggio) / Derbi GP1 50 H2O 2T E1 (2001-2003 / Piaggio) / GP1 Open 50 H2O 2T E2 (2006-2009 / Piaggio) / GP1 Race 50 H2O 2T E2 (2005-2007 / Piaggio) / Gilera DNA 50 H2O 2T E1 (2000-2001) / DNA 50 H2O 2T E2 (2002-2004) / DNA RST 50 H2O 2T E2 (2005-2006) / Runner DD 50 H2O 2T E1 (1998-2001) / Runner DT 50 H2O 2T E1 (1998-2001) / Runner FL 50 H2O 2T E2 (2002-2004) / Runner SP 50 H2O 2T E2 (2002-2004) / Runner SP RST 50 H2O 2T E2 (2005-2006) / Runner SP RST 50 H2O 2T E2 (2007) / Runner SP RST 50 H2O 2T E2 (2008-2009) / Runner SP RST 50 H2O 2T E2 (2010-2017) / Piaggio NRG MC2 DD 50 H2O 2T (1998) / NRG MC2 DT 50 H2O 2T (1998) / NRG MC2 Extreme 50 H2O 2T E1 (1999-2000) / NRG MC3 DD 50 H2O 2T E1 (2001-2004) / NRG Power DD 50 H2O 2T E2 (2004-2006) / NRG Power DD 50 H2O 2T E2 (2007-2017) / Zip SP2 50 H2O 2T E1 (2001-2005) / Zip SP2 50 H2O 2T E2 (2006-2013).
The kit includes:
- Cylinder;
- Equipped piston (piston, pin, ring, clips);
- Cylinder head;
- Needle bearing;
- Pins;
- Gaskets.
Technical specifications:
- Displacement: 69.94 cc;
- Stroke: 39.3 mm;
- Bore: 47.6 mm;
- Piston pin: 12 mm;
- Compression ratio: 15.6:1;
- Cooling: water-cooled;
- Material: aluminum;
- Class: Race.
Note: The cylinder kit can only be used with the Evolution 210.0020 crankshaft.
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