Big Bore Cylinder Barrel Kit: Adly Super Sonic 50 (2000-2005) Yamaha YFS200 Derbi Senda 50 SM X-Treme

Derbi Senda 50 SM X-Treme (2006-2018)

If you're looking to improve the spark on your XJ550 then upgrading your coils is a good place to start as the original coils are now about 40 years old

This cylinder kit has been manufactured to replace the original top end on a Peugeot Speedfight Mk3 for the years and models shown above

Triumph Bonneville 790cc (2001-2006)

This cylinder kit is an upgrade on the original Adly Super Sonic 50 for the years and models shown above

Big Bore Cylinder Barrel Kit: Adly Super Sonic 50 (2000-2005) Yamaha YFS200 Derbi Senda 50 SM X-TremeBrand new big bore cylinder barrel kit to fit: Adly Super Sonic 50 (2000 2005). This cylinder kit is an upgrade on the original Adly Super Sonic 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 Minarelli Horizontal 2T A C (Air Cooled) Engine.