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:

Meter instruments
Upper Button Lower Button Tachometer (with Shift-Up Indicator) Red Zone Ambient Brightness Sensor Turn Signal Indicator Light Warning Indicator Light (Red) Neutral Indicator Light Multifunction Meter High Beam Indicator Light Warning Indicator Light (Yellow) Fuel ...

Brake Pedal Removal
Remove: Rear Master Cylinder Mounting Bolts [A] Foot Guard [B] Screw and Stopper [C] Bolt [D] Front Footpeg Bracket Bolts [E] Cable Guide [F] Remove: Cotter Pin [A] Joint Pin [B] Rear Brake Light Switch Spring [C] Return Spring [D] Remove the brake pedal mounting b ...

Front Fork Inspection
Holding the brake lever, pump the front fork up and down several times to inspect smooth stroke. Visually inspect the front fork for oil leakage, scoring or scratches on the outer surface of the inner tube. If any doubt about the front fork, it should be checked by an authorized K ...