Big Bore Cylinder Barrel Kit: Gilera Runner Pure Jet 50 (2004-2009) Suzuki TS90 Kawasaki Z 400 J (1980-1983)

Kawasaki Z 400 J (1980-1983)

Beta Eikon 50 (1999-2006)

Gilera Runner 50 (1998-1999)

Please don't purchase if you have either of these models

KTM SX 125 (1994-2014)

Big Bore Cylinder Barrel Kit: Gilera Runner Pure Jet 50 (2004-2009) Suzuki TS90 Kawasaki Z 400 J (1980-1983)Brand new big bore cylinder barrel kit to fit: Gilera Runner Pure Jet 50 (2004 2009). This cylinder kit is an upgrade on the original Gilera Runner Pure Jet 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 Piaggio NRG Purejet 2T L C (Liquid Cooled) Engine.