Brand new big bore cylinder / barrel kit to fit:
Derbi GP1 50 (2001-2003).
Derbi GP1 50 Euro 2 (2005).
Derbi GP1 50 Race (2005-2007).
Derbi GP1 50 Open (2006-2010).
This cylinder kit is an upgrade on the original Derbi GP1 50 for the years and models shown above. The top end will go from 50cc to 70cc.
This kit includes:
- cylinder (barrel / jug)
- cylinder head
- piston kit
- gaskets
To replace OEM cylinder: TBC
Piaggio NRG / Purejet 2T L/C (Liquid Cooled) Engine.