1992-1998 Kawasaki PWC Jet Ski Service Repair Manual., Page 53Get this manual
Fuel will begin to sour in to four months and will engine problemsA fuel additive such Sta-Bil may be used to prevent gum from forming during or prolonged idle periodsWhen the engine is hot, the fuel can problemsA hot engine is down, the inside the fuel bowl may to 200 and the fuel actually boilAll are vented to allow this pressure to to the atmosphereHowever, some of the fuel may over the high-speed nozz and overflow into the manifoldIn order for this fuel to vaporize enough to burn, considerable added to lean the mixtureTherefore,
t only remedy is open the as wide as possible and crank the until enough is drawn in to provide the proper mixture for the startNEVER move the lever back-andf in hot engineThis will only compound the problem by adding fuel an already too-rich mixtureA leak the fuel and the pump many will not when the is operating the suction by the pump sucking fuel will not allow the fuel to leakO the engine is turned and the suction no longer exists, may begin leak