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:

Steering Stem Bearing Lubrication
Remove the steering stem (see Stem, Stem Bearing Removal in the Steering chapter). Using a high flash-point solvent, wash the upper and lower ball bearings [A] in the cages. Wipe the upper and lower outer races which are press -fitted into the head pipe to clean off grease and dirt. V ...

Valve Guide Installation
Apply engine oil to the valve guide outer surface before installation. Heat the area around the valve guide hole to about 120 150°C (248 302°F). NOTICE Do not heat the cylinder head with a torch. This will warp the cylinder head. Soak the cylinder head and heat the oil. Usin ...

Vehicle-down Sensor Installation
Be sure to install the rubber dampers [A] and collars [B] on the bracket. The UP mark [A] of the sensor should face upward. WARNINGIncorrect installation of the vehicle-down sensor could cause sudden loss of engine power. The rider could lose balance during certain ...