Kawasaki Ninja Service Manual: Seat Cutter Operation Care

Kawasaki Ninja Service Manual / Engine Top End / Valves / Valve Seat Repair / 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 the diamond particles may fall off.

3. Do not fail to apply engine oil to the valve seat cutter before grinding the seat surface. Also wash off ground particles sticking to the cutter with washing oil.

NOTE

Do not use a wire brush to remove the metal particles from the cutter. It will take off the diamond particles.

4. Setting the valve seat cutter holder in position, operate the cutter in one hand. Do not apply too much force to the diamond portion.

NOTE

Prior to grinding, apply engine oil to the cutter and during the operation, wash off any ground particles sticking to the cutter with washing oil

5. After use, wash it with washing oil and apply thin layer of engine oil before storing.

Marks Stamped on the Cutter

The marks stamped on the back of the cutter [A] represent the following.

60° ........................... Cutter angle [B]

37.5 .......................
Outer diameter of cutter [C]

Marks Stamped on the Cutter

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 [For Exhaust Valve Seat] V ...

Operating Procedures

Clean the seat area carefully. Coat the seat with machinist’s dye. Fit a 45° cutter into the holder and slide it into the valve guide. Press down lightly on the handle and turn it right ...

Other materials:

Replacement Parts
Replacement parts must be KAWASAKI genuine or recommended by KAWASAKI. Gaskets, O-rings, oil seals, grease seals, circlips, cotter pins or self-locking nuts must be replaced with new ones whenever disassembled. Assembly Order In most cases assembly order is the reverse of disassembly, howe ...

Exhaust Butterfly Valve Actuator Removal
NOTICE Never drop the exhaust butterfly valve actuator especially on a hard surface. Such a shock to the actuator can damage it. Remove: Front Seat (see Front Seat Removal in the Frame chapter) Clamp [A] Screws [B] and Washers Slide the covers [A] and loosen the lock nuts [B] ...

Periodic Maintenance Chart
The scheduled maintenance must be done in accordance with this chart to keep the motorcycle in good running condition. The initial maintenance is vitally important and must not be neglected. Periodic Inspection #: Service more frequently when operating in severe conditions; dusty, ...