Kit 50cc high engine Ø40mm ATHENA RACING DERBI euro 3 and 4

Here is the ATHENA RACING 50cc kit for derbi euro 3 and 4. This high performance kit has large diagrams, a high compression ratio, a single-segment piston, a cylinder head, several gaskets. base to make the squish ... We are on very serious equipment! The materials are of good quality and the machining, castings of good quality, nothing to do with the low-end cylinders. We are however on a very affordable rate. A psoer with a pot, reinforced clutch, 19 to 24mm carburetor, well released ignition.

As an option we offer you a stage 1 preparation, this preparation is a modification of the channels and the exhaust port by increasing the diagrams and improving the duct, it increases the performance of the cylinder. An improvement to the piston and the bottom of the skirt is also included in this modification. Allow a little extra time for this preparation!

Mounts on all DERBI EURO 3 and EURO 4 50cc motorcycle engines :

APRILIA RS4 50 cc 2011/2013
APRILIA RS4 50 cc 2014
APRILIA RS4 50 cc 2015/2018
APRILIA RS 50 cc 2006
APRILIA RS 50 cc 2007/2009
APRILIA RS 50 cc 2010
APRILIA RX 50 cc 2006
APRILIA RX 50 cc 2007
APRILIA RX 50 cc 2008/2012
APRILIA RX 50 cc 2013/2014
APRILIA SX 50 cc 2006/2011
APRILIA SX 50 cc 2012
DERBI GPR EU2 50 cc 2009/2010
DERBI GPR NUDE & NUDE TUNING 50 cc 2006/2007
DERBI GPR NUDE & NUDE TUNING 50 cc 2008
DERBI GPR NUDE SPORT 50 cc 2006
DERBI GPR NUDE SPORT 50 cc 2007/2008
DERBI GPR NUDE SPORT 50 cc 2009/2011
DERBI GPR NUDE SPORT 50 cc 2012/2018
DERBI GPR RACING / E2 50 cc 2006
DERBI GPR RACING / E2 50 cc 2007/2018
DERBI GPR REPLICA 50 cc 2006/2008
DERBI GPR REPLICA 50 cc 2009/2018
DERBI GPR REPLICA PESEK EU2 50 cc 2007
DERBI GPR REPLICA PESEK EU2 50 cc 2008/2018
DERBI GPR REPLICA & R E2 50 cc 2006
DERBI GPR REPLICA & R E2 50 cc 2007
DERBI GPR REPLICA & R E2 50 cc 2008
DERBI GPR R EU2 50 cc 2006/2007
DERBI GPR R EU2 50 cc 2008
DERBI GPR R REPLICA MALOSSI 50 cc 2007
DERBI GPR R REPLICA MALOSSI 50 cc 2008/2011
DERBI GPR R REPLICA MALOSSI 50 cc 2012/2018
DERBI SENDA HYP DRD EVO 50 cc 2008
DERBI SENDA HYP DRD EVO 50 cc 2009
DERBI SENDA HYP DRD EVO 50 cc 2010/2018
DERBI SENDA R DRD PRO E2 50 cc 2006/2007
DERBI SENDA R DRD PRO E2 50 cc 2008/2009
DERBI SENDA R DRD PRO E2 50 cc 2010/2011
DERBI SENDA R DRD RACING E2 50 cc 2005
DERBI SENDA R DRD RACING E2 50 cc 2006
DERBI SENDA R DRD RACING E2 50 cc 2007/2008
DERBI SENDA R X-RACE E2 50 cc 2006
DERBI SENDA R X-RACE E2 50 cc 2007/2010
DERBI SENDA R X-TREM EU2 50 cc 2005
DERBI SENDA R X-TREM EU2 50 cc 2006
DERBI SENDA R X-TREM EU2 50 cc 2007
DERBI SENDA R X-TREM EU2 50 cc 2008
DERBI SENDA R X-TREM EU2 50 cc 2009/2010
DERBI SENDA SM DRD PRO E2 50 cc 2006/2008
DERBI SENDA SM DRD PRO E2 50 cc 2009
DERBI SENDA SM DRD PRO E2 50 cc 2010/2011
DERBI SENDA SM DRD RACING E2 50 cc 2006
DERBI SENDA SM DRD RACING E2 50 cc 2007/2008
DERBI SENDA SM DRD RACING LTD EU2 50 cc 2007
DERBI SENDA SM DRD RACING LTD EU2 50 cc 2008/2018
DERBI SENDA SM X-RACE 50 cc 2006
DERBI SENDA SM X-RACE 50 cc 2007
DERBI SENDA SM X-TREM EU2 50 cc 2010
DERBI SENDA SM X-TREM EU2 50 cc 2011
DERBI SENDA SM X-TREM EU2 50 cc 2012/2018
GILERA RCR 50 cc 2006
GILERA RCR 50 cc 2007
GILERA SMT 50 cc 2006
GILERA SMT 50 cc 2007

And many other models.