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:

Multifunction Meter
A. Multifunction Display Odometer Trip Meters Current Mileage Average Mileage Fuel consumption Stop Watch B. Speedometer C. Gear Position Indicator D. Power Mode Indicator E. S-KTRC Mode Indicator F. Warning Symbols G. Lap Counter/Coolant / Intake Air Temperature Meter ...

Throttle Control System
Check the throttle grip play each day before riding the motorcycle, and carry out maintenance and adjustments in accordance with the Periodic Maintenance Chart. Adjust it if necessary. Throttle Grip The throttle grip controls the butterfly valves in the throttle body. If the throttle grip ha ...

Air Intake Duct Disassembly (Other than US, CA and CAL Models)
Remove: Air Intake Duct (see Air Intake Duct Removal) Seal [A] and Screen [B] Turn the air intake valve actuator [C] counterclockwise (90°). Remove the shaft [A] of the air intake valve actuator. Remove: Pad [A] Screws [B] Air Intake Valve [C] ...