Stage6 complete oil seal kit designed for 50cc geared motorbikes equipped with Derbi Euro 3 or Euro 4 engines.

This comprehensive set delivers all essential seals needed for engine block restoration, making it perfect for rebuilds and full overhauls while preserving engine performance and durability.

The kit suits numerous Derbi-powered models from 2006 onward, including Derbi Senda X-Treme, GPR, Gilera SMT, Aprilia SX, and comparable variants.

Kit contents :

• 2x FKM oil seal Stage6 R/T 20x35x7 mm – crankshaft
• 1x FKM oil seal 17x35x7 mm – countershaft / drive output
• 1x FKM oil seal 15x26x5 mm – kickstart shaft
• 1x FKM oil seal 12x20x5 mm – gearshift shaft
• 2x FKM oil seal 8x18x5 mm – water pump

Designed for Derbi Euro 3 and Euro 4 engines.

Note : Installation typically requires concurrent crankshaft bearing replacement and gear oil change for optimal results.