Kawasaki Ninja Service Manual: Water Pump Impeller Inspection

Water Pump Impeller Disassembly/Assembly

Remove the water pump impeller (see Oil Pump Removal in the Engine Lubrication System chapter). The sealing seat and rubber seal may be removed easily by hand. Apply coolant around the surf ...

Water Pump Housing Disassembly

NOTICE Do not damage the hole wall of the water pump housing. Insert a bar [A] into the pump housing [B], and hammer evenly around the circumference of the mechanical seal bottom [C]. ...

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Front Wheel Rotation Sensor Signal Abnormal (Service Code b 42)
Measure the air gap between the front wheel rotation sensor and sensor rotor. Thickness Gauge [A] Air Gap Standard: 0.4 1.6 mm (0.02 0.06 in.) If the measurement is not the standard, check each part for deformation and looseness and correct accordingly. If the measurement is t ...

Cam Wear Inspection
Remove the camshafts (see Camshaft Removal). Measure the height [A] of each cam with a micrometer. If the cams are worn down past the service limit, replace the camshaft. Cam Height Standard: Exhaust 35.043 35.157 mm (1.3796 1.3841 in.) Intake 38.243 38.357 mm (1.5056 1.5101 in. ...

Crankshaft Sensor Peak Voltage Inspection
NOTE Be sure the battery is fully charged. Using the peak voltage adapter [A] is more reliable way to determine the condition of the crankshaft sensor than crankshaft sensor internal resistance measurements. Disconnect the crankshaft sensor lead connector (see Crankshaft Sensor ...