2000-2001 Kawasaki 1100 STX D.I. Jet Ski Factory Service Manual., Page 63Get this manual
FUEL SYSTEM (DFI) 2-23 Fuel Vent Check Valve
Fuel Vent Check Valve Mounting The fuel vent check valve mounted in the fuel tank vent hose to s
prevent fuel from spilling during ridingAir can flow into the tank to allow fuel to be drawn out by the fuel pump, but fuel cannot flow out the check valve The fuel vent check valve [A] must be mounted so that the arrow [B] on its case is pointing toward the fuel tank