2003-2005 Kawasaki JetSki Ultra-150 Factory Service Manual, Page 213Get this manual
14-12 ELECTRICAL SYSTEM Specifications
Item Battery Type Electric Starter System Starter Motor: Brush Length Commutator Diameter Charging System RegulatorRectifier Output Voltage Charging Coil Output Voltage Charging Coil Resistance: Yellow Yellow Ignition System Ignition Timing Ignition Coil: Primary Winding Resistance Secondary Winding Resistance Spark Plug: Type Gap Terminal Crankshaft Sensor Resistance Crankshaft Sensor Air Gap (Clearance Between The Rotor Projection and Crankshaft Sensor Core) 12 18 Ah Standard Service Limit