2004 Kawasaki KVF750 4x4, Service Manual., Page 74Get this manual
FUEL SYSTEM 3-15 Carburetor
Remove the rear vacuum hose [A] and install the vacuum hose for vacuum gauge
Connect: Gauge [A] Vacuum Connect the fuel hose of suitable fuel tank [B] to the carburetorengine and Start thewhen idlingread the intake vacuum of each carburetor
If the vacuum is out of the specified range, adjust itCarburetor Synchronization Vacuum Standard: Less than 2.7 kPa (2 cmHg) difference between carburetors Special ToolVacuum Gauge: 57001-1369
Carburetor Synchronization Adjustment
Turn the adjust screw [A] to synchronize the carburetorsIf the carburetor synchronization cannot be obtained by
using the adjusting screw, check for dirt or blockage, and then check the pilot screw settings