Stage6 Oil Seals Derbi Stage6 oil seal kit for 50cc geared motorbikes with Derbi Euro 3 or Euro 4 engine, ideal for engine rebuilds and reliable sealing. The kit contains all necessary oil seals for the main components of the engine block. It is suitable for repairs or a complete engine overhaul, helping maintain the performance, reliability, and service life of the engine. Fits many models with Derbi engine from 2006 onwards, such as Derbi Senda X-Treme, GPR, Gilera SMT, Aprilia SX, and many others. Replacing the oil seals also requires replacing the crankshaft bearings and changing the gear oil. Stage6 Seal Kit for Derbi: 2x oil seal FKM Stage6 R/T 20x35x7 mm - crankshaft 1x oil seal FKM 17x35x7 mm - countershaft / drive output 1x oil seal FKM 15x26x5 mm - kickstart shaft 1x oil seal FKM 12x20x5 mm - gearshift shaft 2x oil seal FKM 8x18x5 mm - water pump For Derbi Euro 3 and Euro 4 ΣυμβατότηταRS4 50cc (after 2011 - D50B0 Euro 3)RS 50 Euro 4RS 50cc (D50B0) - 2006 - 2011RX 50 (as from 2006 D50B1)RX 50cc Factory Euro 4RX Enduro 50cc (D50B0) - after 2006SX 50cc Euro 4SX 50cc Factory Euro 4SX SM 50cc (D50B0) - after 2006GPR 50cc after 2012GPR 50cc Nude 2005 2011 (D50B0 Euro 3)GPR 50cc Racing 2005 - 2011 (D50B0 Euro3)Senda DRD PRO Racing SM(after 2005)-(D50B0 Euro 3)Senda DRD PRO SM (after 2005) - (D50B0 Euro 3)Senda DRD Racing 50 SM after 2011 - (D50B0 Euro 3)Senda DRD X-Treme 50 R '10 - '17 - (D50B0 Euro 3)Senda DRD X-Treme SM '10 - '17 - (D50B0 Euro 3)Senda Racing SM Euro 4Senda R DRD PRO Enduro (after 2005) -(D50B0 Euro 3)Senda R DRD Racing Enduro (after 2005)-(D50B0 Euro 3)Senda R X-Race Trail '05 - '10 - (D50B0 Euro 3)Senda R X-Treme Enduro '05 - '10 - (D50B0 Euro 3)Senda SM Limited Euro 4Senda X-Race SM '05 - '10 - (D50B0 Euro 3)Senda X-Treme R Euro 4Senda X-Treme SM '05 - '10 - (D50B0 Euro 3)Senda à partir de 2018RCR Enduro 50 (as from 2011 D50B0)RCR Enduro 50cc 2006 (D50B0) - (perimeter)RCR Euro 4SMT Euro 4SMT SM 50 (2011-2012 D50B0 ZAPABB00)SMT SM 50 (after 2013 D50B0 ZAPABB01)SMT SM 50cc 2006 (D50B0) - (perimeter)RMESM 50