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:

Rear Wheel Rotation Sensor Removal
NOTICE The wheel rotation sensor should be handled carefully, never struck sharply, as with a hammer, or allowed to fall on a hard surface since the wheel rotation sensor is precision made. Be careful not to get water or mud on the wheel rotation sensor. Do not try to disassemble or repair t ...

Relay Box Removal
Remove the left fuel tank cover (see Fuel Tank Removal in the Fuel System (DFI) chapter). Disconnect the connectors [A]. Pull out the relay box [B] from the rubber protector [C]. NOTE The relay box has relays and diodes. The relays and diodes can not be removed. Relay Box Installa ...

Storage
Preparation for Storage Clean the entire vehicle thoroughly Run the engine for about five minutes to warm the oil, shut it off, and drain the engine oil. WARNINGEngine oil is a toxic substance. Dispose of used oil properly. Contact your local authorities for approved disp ...