2003-2005 Kawasaki JetSki Ultra-150 Factory Service Manual, Page 69Get this manual
3-18 FUEL SYSTEM CarburetorFuel Pump
Carburetor Assembly
Install: Seat [A] and Screw [B] Valve
Main Jet [C] Pilot Jet [D] Gasket [E] Apply non-permanent locking agent to the check valve body screwsCheck Valve Body [F] and Screws Spring [G] Float Arm [H] and Inlet Valve [I]
the vacuum piston holder [A] Install the jet needle [B] and holder spring [C] in the vac Install [D], and tighten the jet needle holder bolt [E]uum piston Install:Spring [F] Cap Carburetor Cap [G]