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:

Torque Limiter Removal
Remove: Starter Motor (see Starter Motor Removal in the Electrical System chapter) Throttle Body Assy Holder [A] Breather Hose [B] Roll up the heat insulation rubber plate [C]. Remove: Torque Limiter Cover Bolts [A] Torque Limiter Cover [B] Remove: Torque Limit ...

Hub Bearing Removal
Remove the wheels (see Front/Rear Wheel Removal), and take out the following. Collars Coupling (Out of rear hub) Grease Seals Use the bearing remover to remove the hub bearings [A]. NOTICE Do not lay the wheel on the ground with the disc facing down. This can damage or warp the d ...

Exploded View
CL: Apply cable lubricant. EO: Apply engine oil. G: Apply grease. HG: Apply high-temperature grease. L: Apply a non-permanent locking agent. M: Apply molybdenum disulfide grease. R: Replacement Parts S: Follow the specified tightening sequence. Specifications Special ...