Kawasaki Ninja Service Manual: Piston Wear Inspection

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:

Subthrottle Valve Actuator Inspection
NOTE Be sure the battery is fully charged. Remove the air cleaner housing (see Air Cleaner Housing Removal in the Fuel System (DFI) chapter). Turn the ignition switch to ON. Check to see that all the subthrottle valves [A] open and close smoothly. Turn the ignition switch to OFF. I ...

Exhaust Butterfly Valve Cable Removal
Remove the fuel tank (see Fuel Tank Removal in the Fuel System (DFI) chapter). Open the clamp [A] and free the cables. Slide the dust covers [B]. Loosen the locknuts [A], and turn the adjusters [B] to give the cable plenty of play. Remove the clamp [A]. Remove the up ...

Warning Symbols
: The red warning indicator light and the oil pressure warning symbol (  ) goes on whenever the oil pressure is dangerously low or the ignition switch is in the “ON” position with the engine not running, and go off when the engine oil pressure is high enough. Refer to the Mainten ...