Kawasaki Ninja Service Manual: Piston Wear Inspection

Kawasaki Ninja Service Manual / Crankshaft/Transmission / Pistons / Piston Wear Inspection

Measure the outside diameter [A] of each piston 5 mm (0.20 in.) [B] up from the bottom of the piston at a right angle to the direction of the piston pin.

If the measurement is under service limit, replace the piston.

Piston Wear Inspection

Piston Diameter

Standard: 75.959 75.974 mm
(2.9905 2.9911 in.)
Service Limit: 75.81 mm (2.985 in.)

Cylinder (Upper Crankcase) Wear Inspection

Split the crankcase (see Crankcase Splitting). Remove the pistons (see Piston Removal). Assemble the cylinder (upper crankcase) [A], the cylinder head [B] and the cylinder head gasket [C]. ...

Piston Ring, Piston Ring Groove Wear Inspection

Check for uneven groove wear by inspecting the ring seating. The rings should fit perfectly parallel to groove surfaces. If not, replace the piston and all the piston rings. With the pist ...

Other materials:

KIBS Equipped Models
1. Clutch Cable 2. Vacuum Hose (Equipped Models) 3. Left Switch Housing Lead 4. Main Harness 5. Front Brake Hose 6. Throttle Cables 7. Right Switch Housing Lead 8. Bracket (Hold the brake pipes.) 9. Run the meter lead to outside of the meter bracket. 10. Run the vacuum hoses to inside o ...

Hub Bearing Installation
Before installing the hub bearings, blow any dirt or foreign particles out of the hub with compressed air to prevent contamination of the bearings. Replace the bearings with new ones. Install the bearings by using the bearing driver set which does not contact the bearing inner race. ...

Caliper Rubber Parts Replacement
Front Caliper Disassembly Remove: Front Caliper (see Front Caliper Removal in the Brakes chapter) Brake Pads (see Front Brake Pad Removal in the Brakes chapter) Remove: Front Caliper Assembly Bolts [A] Split the front caliper. Remove: Pad Spring O-ring [A] U ...