2003 Kawasaki KLF250 Service Manual., Page 58Get this manual
FUEL SYSTEM 3-21 Fuel Tank
Fuel Tap Inspection
Check the fuel filter screens [A] for any breaks or deteriorationIf the fuel filter screens have any breaks or are deteriorated, it may allow dirt to reach the carburetor, causing poor runningReplace the fuel tap
If the fuel tap leaks, or allows fuel to flow when it is OFF, replace the damaged gasket [A] or O-rings [B]
Fuel Level Gauge Removal