Big Bore Cylinder Barrel Kit: Yamaha CS50 CS 50 (2002-2009) Honda CB50 Please check your mounting prior

Please check your mounting prior to purchasing as we also have the 100mm mounting version if required

We offer FREE MAINLAND UK DELIVERY on this Peugeot Speedfight Mk4 50 (L/C) Cylinder kit with the option to upgrade to express if required

SBS: SBS177 / SBS786

This heavy duty gold X-ring chain has been manufactured to replace the original chain on a Yamaha RD250 for the years and models shown above

If you're having spark issues with your YZ490 then you should definitely consider upgrading your coil to a performance coil

Big Bore Cylinder Barrel Kit: Yamaha CS50 CS 50 (2002-2009) Honda CB50 Please check your mounting priorBrand new big bore cylinder barrel kit to fit: Yamaha CS 50 R (Jog R) (2002 2009). This cylinder kit is an upgrade on the original Yamaha CS50 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.