Kawasaki Ninja Service Manual: Crankshaft Sensor Removal/Installation

Crankshaft Sensor (Service Code 21)

The crankshaft sensor has no power source, and when the engine stops, the crankshaft sensor generates no signals. ...

Crankshaft Sensor Peak Voltage Inspection

Refer to the Crankshaft Sensor Peak Voltage Inspection in the Electrical System chapter. If the reading is within the standard, remove the ECU and check the wiring for continuity between harn ...

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Precautions
There are a number of important precautions that are musts when servicing electrical systems. Learn and observe all the rules below. Do not reverse the battery cable connections. This will burn out the diodes on the electrical parts. Always check battery condition before condemning other ...

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]. Take the oil seal [A] out of the housing [B] with a hook [C]. ...

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 ...