Kawasaki Ninja Service Manual: Piston Ring Groove Width Inspection

Kawasaki Ninja Service Manual / Crankshaft/Transmission / Pistons / Piston Ring Groove Width Inspection

Use a vernier caliper at several points around the piston.

Piston Ring Groove Width Standard:

Top [A] 0.82 0.84 mm (0.0323
0.0331 in.)


Second [B] 0.82 0.84 mm
(0.0323 0.0331 in.)


Service Limit:

0.92 mm (0.036 in.)

Second 0.92 mm (0.036 in.)

Piston Ring Groove Width Inspection


If the width of any of the two grooves is wider than the service limit at any point, replace the piston.

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 ...

Piston Ring Thickness Inspection
Measure the piston ring thickness. Use the micrometer to measure at several points around the ring. Piston Ring Thickness Standard: Top [A] 0.77 0.79 mm (0.0303 0.0311 in.) Second [B] 0. ...

Other materials:

Fuel Injector Output Voltage Inspection
NOTE Be sure the battery is fully charged. Turn the ignition switch to OFF. Remove the ECU (see ECU Removal). Do not disconnect the ECU connector Connect a digital meter [A] to the connector (gray) [B] with the needle adapter set. Special Tool - Needle Adapter Set: 57001-1457 ...

Fuel Tank Cleaning
WARNINGGasoline and low flash-point solvents can be flammable and/or explosive and cause severe burns. Clean the tank in a well-ventilated area, and take care that there are no sparks or flame anywhere near the working area. Do not use gasoline or low flash-point solvents t ...

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 ...