2005 Kawasaki STx-12F Jet Ski Factory Service Manual., Page 326Get this manual
14-14 ELECTRICAL SYSTEM Specifications
Item Battery Type Electric Starter System Starter Motor: Brush Length Commutator Diameter Charging System RegulatorRectifier Output Voltage Alternator Output Voltage Stator Coil Resistance Ignition System Ignition Coil: Primary inding Resistance Secondary inding Resistance Spark Plug: Type Gap Crankshaft Sensor Resistance 12 18 Ah Standard Service Limit