kawasaki-zx7r-wiring-diagramThe following Wiring Harness is applicable for Kawasaki Ninja ZX-7R motosport series. In this article you will find detail information about the electrical and wiring harness of the motorcycle, also detail explanation and troubleshooting procedures for each electrical component such as battery, alternator (stator and rotor coil, slip ring, rectifier), ignition system (pickup coil, ignition coil and spark plug, IC igniter), Starter motor (brush and armature inspection), lighting system and fuel pump, radiator fan system, switches and sensor, junction box, and fuse.

Kawasaki ZX-7R Electrical Specification

Battery type: Maintenance Free (MF) Battery
Capacity: 12 V 8 Ah (ZX750N), and 12 V 10 Ah (ZX750P)
Voltage: 12.8 V or more (ZX750N), and 12.6 or more (ZX750P)

Alternator (charging system)
Type: Three-phase AC (built-in regulator/rectifier)
Charging voltage: 14.2 – 14.8 Volt at engine speed 4000 rpm
Rotor coil resistance: 2.3 – 3.5 Ohm
Stator coil resistance: 1.0 Ohm or less
Slip ring diameter: 14.4 mm (service limit 14.0 mm)
Carbon brush length: 10.5 mm (4.5 mm)

Ignition system
Pickup coil air gap: 0.4 – 0.6 mm (non-adjustable)
Pickup coil resistance: 375 – 565 Ohm
Ignition coil 3 needle arcing distance: 7 mm or more
Primary winding resistance: 2.3 – 3.5 Ohm
Secondary winding resistance: 12 – 18 kOhm

Spark plug type: NGK CR9E or ND U27ESR-N
Spark plug gap: 0.7 – 0.8 mm
Starter brush length: 12 mm
Commutator diameter: 28 mm

Detail of the Kawasaki Ninja ZX-7R Wiring Harness and Electrical Specs here (68 pages of pdf file docs.)

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