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 Inspection
Remove the radiator (see Radiator and Radiator Fan Removal). Check the radiator core. If there are obstructions to air flow, remove them. If the corrugated fins [A] are deformed, carefully straighten them. If the air passages of the radiator core are blocked more than 20% by unremovable ...

Valve Clearance
Valve and valve seat wear decreases valve clearance, upsetting valve timing. NOTICE If valve clearance is left unadjusted, wear will eventually cause the valves to remain partly open; which lowers performance, burns the valves and valve seats, and may cause serious engine damage. Valve cle ...

Drive Chain
The drive chain slack and lubrication must be checked each day before riding the motorcycle and must be maintained in accordance with the Periodic Maintenance Chart for safety and to prevent excessive wear. If the chain becomes badly worn or maladjusted - either too loose or too tight - the c ...