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:

Air Intake Solenoid Valve (Service Code 2d, Equipped Models)
Air Intake Solenoid Valve Removal/Installation Refer to the Air Intake Solenoid Valve Removal/Installation in the Fuel System (DFI) chapter. Air Intake Solenoid Valve Inspection Refer to the Air Intake Solenoid Valve Unit Test in the Electrical System chapter. If the air intake ...

US, CA and CAL Models
1. Hold the water hose [A]. Insert the tab into the slot. 2. Hold the water hose [B]. Insert the tab into the slot. 3. Water Hose Fitting on Cylinder Head 4. Heat Insulation Rubber Plate 5. Run the crankshaft sensor lead and the oil pressure switch lead into the slot, and hook the slot on ...

Electrical Wiring
Wiring Inspection Visually inspect the wiring for signs of burning, fraying, etc. If any wiring is poor, replace the damaged wiring. Pull each connector [A] apart and inspect it for corrosion, dirt, and damage. If the connector is corroded or dirty, clean it carefully. If it is da ...