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:

Lower Crankcase Assembly
Install the ball bearing [A] and the oil level inspection window [B] until they are bottomed Apply soap and water solution to the oil level inspection window before installation. Install the new circlip [C]. Apply a non-permanent locking agent to the oil passage plug [D]. Tighten: ...

Immobilizer Amplifier Replacement
Remove the upper fairing assembly (see Upper Fairing Assembly Removal in the Frame chapter). Disconnect the connector [A]. Pull out the immobilizer amplifier [B] together with the rubber protector [C] from the air intake duct [D]. ECU Replacement Refer to the ECU Removal/Instal ...

Seat Cover Removal
Remove: Rear Seat (see Rear Seat Removal) Remove the bolts [A]. Remove the upper seat cover backward [B] to clear the hook portions. Remove: Front Seat (see Front Seat Removal) Quick Rivets [A] Bolts [B] Seat Covers [C] ...