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:

What if I am not Satisfied With My Warranty Service?
If you aren’t satisfied with your dealership’s repair work or operations, it is best to discuss the situation with the appropriate dealership manager. If you have already done this, then contact the dealership’s owner or general manager to request a review of the issue. If you are un ...

Water Pump Housing Assembly
NOTICE Do not reuse the mechanical seal and oil seal. Apply high-temperature grease to the new oil seal lips [A]. Press the new oil seal into the housing with a bearing driver [B] until it stops at the bottom surface [C] of the housing. Special Tool - Bearing Driver Set: 57001-1129 ...

Air Suction Valve Inspection
Remove the air suction valve (see Air Suction Valve Removal). Visually inspect the reeds [A] for cracks, folds, warps, heat damage or other damage. If there is any doubt as to the condition of the reeds, replace the air suction valve as an assembly. Check the reed contact areas [B] of ...