1996-2002 Kawasaki 1100ZXi Jet Ski Factory Service Manual., Page 202Get this manual
16-18 SUPPLEMENT1997- 1999 MODELS CarburetorFuel Pump (JH1100-A3A4)
Synchronization
Remove the carburetor (see Carburetor Removal)Turn out the idle adjusting screw [A] until there is clearance between
the adjusting screw end and throttle shaft lever [Elin the idle adjusting screw until the adjusting screw end just touches the throttle shaft lever Turn in the adpsting screw 34 turn from the point to keep the specified throttle valve [C] opening in the front carburetor 101 Measure the distance from the bottom of the carburetorbore lower end to the valve edge shown as "H" Turn the synchronizing screw [El so that the valve edge in the middle carburetor [F] keeps the same distance within 0.2 mrn tolerance as that in the front carburetor Turn the synchronizing screw [GIso that the valve edge in the rear carburetor [HI keeps the same distance within 0.2 mrn tolerance as in the front carburetor Install the carburetore Adjust the throttle and choke cables