2003 Kawasaki KLF250 Service Manual., Page 47Get this manual
3-10 FUEL SYSTEM Carburetor
Idle Speed Adjustment
the engine and warm it up thoroughly Start the engine idling, turn the handlebar to both sides to With check for any changes in the idle speedIf handlebar movement changes the idle speed, the throttle cable may be improperly adjusted, incorrectly routed, or damagedBe sure to correct any of these conditions before riding
WARNING
Operation with an improperly adjusted, incorrectly routed, or damaged cable could result in an unsafe riding conditionidle speed Checkidle speed iswith ofsuitable tachometeradjust itIf the out the specified range,
Idle Speed Standard: 300 400 rmin (rpm)
Idle Speed Adjustment
Start the engine and warm it up thoroughly.idle speed is Turn the idle adjusting screw [A] until the correctthe idle speed is within the specified range