big bore cylinder barrel kit yamaha yq50 yq 50 1998 2009 Yamaha YFM90 If you're looking to improve

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

Yamaha XVS 1100 Dragstar Custom (1999-2002)

This set of brake drum shoes have been manufactured to replace the original rear set of brake drum shoes on a Kawasaki ER 5 for the years and models shown above

If you have a weak spark on your Kawasaki ZX-9R then the coils could be the culprit and it's a good idea to get some new coils on the bike

Yamaha CW 50 Original (BW's) (2004-2009)

big bore cylinder barrel kit yamaha yq50 yq 50 1998 2009 Yamaha YFM90 If you're looking to improveBrand new big bore cylinder barrel kit to fit: Yamaha YQ 50 Aerox (1998 2009). This cylinder kit has been manufactured to upgrade the original top end on a Yamaha YQ50 to 70cc for the years and models shown above. The kit includes the cylinder barrel jug, head, piston kit and gaskets. To upgrade from 50cc to 70cc.