2004-2005 Kawasaki STX-15F Jet Ski Factory Service Manual., Page 117Get this manual
FUEL SYSTEM (DFI) 3-69 Throttle Lever, Cable and Case
Tighten:
t ol ec RouttenghienfAlpopwinndgixcorhraptteyr)(.see Cable, Wire, and Hose Rou Throttle Cable Steering Cable Fuel Tank Vent Hose StartStop witch Leads Buzzer Leads Multifunction Meter Leads Adjust the followingThrottle Cable Check that the throttle lever moves smoothly from full open to close, and the throttle closes quickly and completely in all steering positions by return springIf the throttle lever does not return properly, check the throttle routing, cable adjustments, and cable damageThen lubricate the throttle cableRun the engine at the idle speed, and turn the handlebar all the way to the right and left to ensure that the idle speed does not changeIf the idle speed increases, check the throttle cable adjustment and the cable routing