Kawasaki Ninja Service Manual: Piston Wear Inspection

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

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:

Front, Rear Wheel Rotation Difference Abnormal Inspection (Service Code b 25)
Check the following and correct the faulty part. Incorrect Tire Pressure Tires not recommended for the motorcycle were installed (incorrect tire size). Deformation of Wheel or Tire Missing Teeth or Clogging with Foreign Matter of Sensor Rotor (see Wheel Rotation Sensor Rotor Inspe ...

DFI Parts Location
Main Throttle Sensor [A] Subthrottle Sensor [B] Idle Speed Control Valve Actuator [C] Subthrottle Valve Actuator [D] Intake Air Pressure Sensor #2 [E] Stick Coils #1, #2, #3, #4 [F] Air Switching Valve [G] Intake Air Pressure Sensor #1 [H] Water Temperature Sensor [A] Primary Fuel Injec ...

Dimmer Switch
High or low beam can be selected with the dimmer switch. When the headlight is on high beam ( ), the high beam indicator light goes on. High beam.......( ) Low beam.......( ) NOTE When the headlight is on high beam, both headlights go on. When the headlight is on low beam, only one headl ...