Big Bore Cylinder Barrel Kit: MBK YA50 (1994-1996) Honda NT400 Suzuki GSX-R 400 Mk1 /

Suzuki GSX-R 400 Mk1 / Mk2 (GK71B) (1984-1985)

Yamaha YZ 250 (1990-1993)

Kawasaki ZXR 750 (ZX 750 J) (1991-1992)

Suzuki LT-Z 50 Quadsport (2006-2010)

Big Bore Cylinder Barrel Kit: MBK YA50 (1994-1996) Honda NT400 Suzuki GSX-R 400 Mk1 /Brand new big bore cylinder barrel kit to fit: MBK YA 50 R Forte (1994 1995). MBK YA 50 TA Sorriso (1995 1996). This cylinder kit is an upgrade on the original MBK YA50 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.