big bore cylinder barrel kit yamaha yn50 yn 50 1998 2009 Triumph Daytona 600 Kawasaki KX 125 E (1986-1987)

Kawasaki KX 125 E (1986-1987)

If you're having spark issues with your YFB250 then you should consider upgrading your coil to a high performance coil pack

Honda NX 250 (1988-1993)

Yamaha RD 350 LC (1980-1982)

big bore cylinder barrel kit yamaha yn50 yn 50 1998 2009 Triumph Daytona 600 Kawasaki KX 125 E (1986-1987)Brand new big bore cylinder barrel kit to fit: Yamaha YN 50 R Neo's (1998 2001). Yamaha YN 50 Neo's (2002 2009). This cylinder kit is an upgrade on the original Yamaha YN50 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.