2003-2005 Kawasaki Ultra-150 Jet Ski Factory Service Manual., Page 55Get this manual
3-6 FUEL SYSTEM Specifications
Item Carburetor Make, Type Size Main Jet: Front Middle Rear Pilot et: Front Middle Rear Pilot Screw Jet Needle Mark Inlet Valve System: Valve Seat Size Arm pring Load Pop-Off Pressure Idle Speed: In Water Out Of Water Reed Valve Reed Warp Fuel Tank Capacity Standard Keihin, CDCV 40-35 35 mm (1.378 in Venturi #165 (#155-for high altitude) #165 (#155-for high altitude) #165 (#155-for high altitude) #48 (#45-for igh ltitude) #48 (#45-for igh ltitude) #48 (#45-for igh ltitude) 14 12 turn open N8DC 1.6 mm (0.063 in (1(1,250 100 rmin (rpm) 800 100 rmin (rpm) 58 (15.3 US gal) including (1.85 USre Service Limit