Kawasaki Ninja Service Manual: Ignition System

Kawasaki Ninja Service Manual / Electrical System / Ignition System

WARNING

The ignition system produces extremely high voltage.

Do not touch the spark plug, ignition coil or ignition coil lead while the engine is running, or you could receive a severe electrical shock.

NOTICE

Do not disconnect the battery cables or any other electrical connections when the ignition switch is ON, or while the engine is running. This is to prevent ECU damage.

Do not install the battery backwards. The negative side is grounded. This is to prevent damage to the ECU.

Regulator/Rectifier Inspection
Remove: Upper Fairing Assembly (see Upper Fairing Assembly Removal in the Frame chapter) Right Inner Fairing (see Inner Fairing Removal in the Frame chapter) Bolts [A] Regulator/Rectifi ...

Crankshaft Sensor Removal
Remove: Fuel Tank (see Fuel Tank Removal in the Fuel System (DFI) chapter) Crankshaft Sensor Lead Connector [A] Remove: Right Lower Fairing (see Lower Fairing Removal in the Fra ...

Other materials:

Valve Guide Installation
Apply engine oil to the valve guide outer surface before installation. Heat the area around the valve guide hole to about 120 150°C (248 302°F). NOTICE Do not heat the cylinder head with a torch. This will warp the cylinder head. Soak the cylinder head and heat the oil. Usin ...

Piston Ring Groove Width Inspection
Measure the piston ring groove width. Use a vernier caliper at several points around the piston. Piston Ring Groove Width Standard: Top [A] 0.82 0.84 mm (0.0323 0.0331 in.) Second [B] 0.82 0.84 mm (0.0323 0.0331 in.) Service Limit: 0.92 mm (0.036 in.) Second 0.92 mm (0.036 in.) ...

Idle Speed Control Valve Actuator Installation
Replace the O-ring [A] with a new one. Apply engine oil to the new O-ring. Install the idle speed control valve [A] as shown in the figure. 10° [B] Tighten: Torque - Idle Speed Control Valve Actuator Retainer Screws: 2.06 N·m (0.21 kgf·m, 18 in·lb) Install th ...