Kawasaki Ninja Service Manual: Piston Ring, Piston Ring Groove Wear Inspection

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

The rings should fit perfectly parallel to groove surfaces.

If not, replace the piston and all the piston rings.

Piston Ring, Piston Ring Groove Wear Inspection


Piston Ring/Groove Clearance Standard:

Top 0.03 0.07 mm (0.0012
0.0028 in.)


Second 0.03 0.06 mm (0.0012
0.0024 in.)


Service Limit:

Top 0.17 mm (0.0067 in.)

Second 0.16 mm (0.0063 in.)

Piston Wear Inspection
Measure the outside diameter [A] of each piston 5 mm (0.20 in.) [B] up from the bottom of the piston at a right angle to the direction of the piston pin. If the measurement is under service ...

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] 0.8 ...

Other materials:

Meter Unit Inspection
Remove the meter unit (see Meter Unit Removal). [1] Battery (+) [2] Fuel Reserve Switch [3] Ground (–) [4] Unused [5] Right Turn Signal Indicator Light (LED) (+) [6] Left Turn Signal Indicator Light (LED) (+) [7] High Beam Indicator Light (LED) (+) [8] Neutral Indicator Light (LED) ( ...

Exploded View
25. “1T” marked side faces up. 26. “T2” marked side faces up. 27. Hollow mark faces exhaust side. G: Apply grease. L: Apply a non-permanent locking agent. LG: Apply liquid gasket. M: Apply molybdenum disulfide grease. MO: Apply molybdenum disulfide oil solution. ...

Parts Location
1. Timing Rotor 2. Crankshaft Sensor 3. Horn 4. Oil Pressure Switch 5. Rear Brake Light Switch 6. Oxygen Sensor (Equipped Models) 7. Alternator 8. Stator Coil 9. Gear Position Switch 10. Sidestand Switch 11. Immobilizer Amplifier (Equipped Models) 12. Radiator Fan Motor 1 ...