Kawasaki Ninja Service Manual: Piston Ring Groove Width Inspection

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

Measure the piston ring groove width.

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. ...

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