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 Unit Removal/Installation
Remove the upper fairing assembly (see Upper Fairing Assembly Removal in the Frame chapter) Remove the bolt [A] (other than US, CA and CALmodels). Slide back the dust cover and disconnect the meter unit connector [B]. Remove: Bolts [A] Nut [B] (other than US, CA and CAL mode ...

Premuffler Chamber Removal
Remove: Muffler Body (see Muffler Body Removal) Right Lower Fairing (see Lower Fairing Removal in the Frame chapter) Front Seat (see Front Seat Removal in the Frame chapter) Oxygen Sensor (Equipped Models) (see Oxygen Sensor Removal (Equipped Models) in the Electrical System chapter ...

Oil Pump Drive Gear Shaft Installation
Apply molybdenum disulfide grease [A] to the oil pump drive gear shaft. Apply molybdenum disulfide oil solution to the followings. Transmission Case [B] Crankcase [C] Install the oil pump drive gear shaft and washer [D] as shown in the figure. Install the new circlip [E] into the ...