Top Performance 9928520 Cylinder Kit 70cc ø 47.6 Scooter Liquid Cooled Piaggio NRG - NTT - ZIP - Aprilia SR - Derbi GP1 - Gilera DNA - RUNNER

• Bore mm: 47.6
• Stroke mm: 39.3
  
• Displacement cm3: 69.9
• Squish mm: 0.9 ± 0.1
• Distribution diagram: exhaust: 197°
• decanting: 129°
  
• Compression ratio: geometric: 14:1
• effective: 7.4:1

Compatibility:

APRILIA

SR MOTARD 50 2T 2012-2014
SR R 50 2T 2004-2009
SR R FACTORY CARBURETTOR 50 2T 2010-2014
SR R FACTORY IE 50 2Q 2010-2014
SR STREET CARBURETOR 50 2T 2003-2012

DERBI

GP1 50 2T 2001-2002-2003
GP1 EU 2 50 2T 2005
GP1 OPEN EU2 50 2T 2006-2009
GP1 RACE EU2 50 2T 2005-2007

GILERA

DNA 50 2T 2000-2002-2005-2007
DNA GP EXPERIENCE 50 2T 2003-2004
RUNNER 50 2T 1997-2000
RUNNER POGGIALI 50 2T 2002
RUNNER SP 50 2T 2002-2004-2005-2006-2007-2010-2012
RUNNER SP SPECIAL EDITION 50 2Q 2007
RUNNER SP ST SIMONCELLI 50 2T 2008-2009

PIAGGIO

NRG 50 2T 1994-1996
NRG EXTREME LC 50 2T 1999-2000
NRG MC3 50 2T 2001-2004
NRG POWER DD 50 2T 2005-2006-2007-2017
NRG POWER DD SPECIAL SERIES 50 2T 2007-2012
NRG RST MC2 50 2T 1996-1998
NTT 50 2T 1995-1996
QUARTZ 50 2T 1992-1996
ZIP 2T 50 2T 2008-2013
ZIP LC 50 2T 2000-2004
ZIP SP 50 2T 1996-2000-2001-2004
ZIP SP EURO 2 50 2T 2006-2013