Big Bore Cylinder Barrel Kit: Vespa LXV 50 (2006-2009). Kawasaki KSF90 If you have a weak

If you have a weak spark on your Suzuki GS1100 then the coils could be the culprit and it's a good idea to get some new coils on the bike

Kawasaki EL250 E (1991-1994)

Yamaha DT 400 (1975-1976)

33410-45C01 or 33420-45C01

To replace OEM: 1VJ-82310-50

Big Bore Cylinder Barrel Kit: Vespa LXV 50 (2006-2009). Kawasaki KSF90 If you have a weakBrand new big bore cylinder barrel kit to fit: Vespa LXV 50 (2006 2009). This cylinder kit has been manufactured to upgrade the original top end on a Vespa LXV50 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.