2004-2006 Kawasaki 900 STX Jet Ski Service Manual, Page 54Get this manual
FUEL SYSTEM 3-13 CarburetorFuel Pump
Idle Speed Adjustment
Refer to the Fuel System in the Periodic Maintenance chapterHigh Altitude Performance Adjustment
The normal carburetor settings are best for sea levelIf the watercraft is used at the higher elevations, the lower atmospheric pressure makes the carburetions richerTo obtain the proper carburetor setting at higher elevations, change the main and slow jets according to the tableAltitude Main jetPNoPilot jet(slow jet) PNo16158-3722 16158-3722 16158-3726 Sea Level 000 000 000 000 000 (0 300 ft) (3 300 600 (6 600 ft) STD 800 ft) STD #165 92063-3720 #38 #165 92063-3720 #38 #155 92063-3723 #35