Kawasaki Ninja Service Manual: Valve Seat Repair

Kawasaki Ninja Service Manual / Engine Top End / Valves / Valve Seat Repair

Repair the valve seat with the valve seat cutters [A].

Special Tools - Valve Seat Cutter Holder Bar [B]: 57001 -1128

Valve Seat Cutter Holder, 4.5 [C]: 57001 -1330

Valve Seat Repair

[For Exhaust Valve Seat] Valve Seat Cutter, 45° - 27.5:
57001-1114 Valve Seat Cutter, 32° - 28:
57001-1119 Valve Seat Cutter, 60° - 25:
57001-1328 [For Intake Valve Seat] Valve Seat Cutter, 45° - 32:
57001-1115 Valve Seat Cutter, 32° - 33:
57001-1199 Valve Seat Cutter, 60° - 33:
57001-1334

If the manufacturer’s instructions are not available, use the following procedure.

Valve Seat Inspection

Remove the valve (see Valve Removal). Check the valve seating surface [A] between the valve [B] and valve seat [C]. Measure the outside diameter [D] of the seating pattern on the valve seat ...

Seat Cutter Operation Care

1. This valve seat cutter is developed to grind the valve for repair. Therefore the cutter must not be used for other purposes than seat repair. 2. Do not drop or shock the valve seat cutter, or ...

Other materials:

Lubrication
It is important to lubricate rotating or sliding parts during assembly to minimize wear during initial operation. Lubrication points are called out throughout this manual, apply the specific oil or grease as specified. Direction of Engine Rotation When rotating the crankshaft by hand, the fre ...

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.) ...

KIBS System Circuit
1. Ignition Switch 2. Front Wheel Rotation Sensor 3. Front Brake Light Switch 4. Joint Connector C 5. Joint Connector D 6. ECU 7. Rear Wheel Rotation Sensor 8. Rear Brake Light Switch 9. Battery 12 V 8.6 Ah 10. Main Fuse 30 A 11. KIBS Motor Relay Fuse 30 A 12. KIBS Solenoid Valve Rela ...