Kawasaki Ninja Service Manual: Piston Ring End Gap Inspection

Kawasaki Ninja Service Manual / Crankshaft/Transmission / Pistons / Piston Ring End Gap Inspection

Piston Ring End Gap Standard:

Top 0.20 0.30 mm (0.0079
0.0118 in.)


Second 0.35 0.50 mm (0.0138
0.0197 in.)


Service Limit: Top 0.6 mm (0.024 in.)

Second 0.8 mm (0.031 in.)

If the end gap of either ring is greater than the service limit, replace all the rings.

Piston Ring End Gap Inspection


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. ...

Balancer
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Other materials:

Radiator Cap Inspection
Remove: Radiator Cap (see Coolant Change in the Periodic Maintenance chapter) Check the condition of the bottom [A] and top [B] valve seals and valve spring [C]. If any one of them shows visible damage, replace the cap with a new one. Install the cap [A] on a cooling system pr ...

Charging Voltage Inspection
Check the battery condition (see Charging Condition Inspection). Warm up the engine to obtain actual alternator operating conditions. Remove the front seat (see Front Seat Removal in the Frame chapter). Check that the ignition switch is turned off, and connect the hand tester [A] to t ...

Break-in
The first 1 600 km (1 000 mi) that the motorcycle is ridden is designated as the break-in period. If the motorcycle is not used carefully during this period, you may very well end up with a “broken down” instead of a “broken in” motorcycle after a few thousand kilometers. The fol ...