Carb repair kit GPZ 900R - Full
Modern fuel contains Ethanol which reacts adversely to many rubber compounds, Kawasaki OE, and aftermarket float bowl gaskets are no exception. It is important that they are fitted dry otherwise they risk swelling and becoming oversize. If this happens - leave them for 24 hours and they will return to their correct size.

Alternatively consider using our Nitrile Gaskets which are made in the UK to our specification - these are considerably less susceptible to swelling.