Kawasaki Ninja Service Manual: Piston Ring Groove Width Inspection

Kawasaki Ninja Service Manual / Crankshaft/Transmission / Pistons / 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] 0.82 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:

Clutch Installation
Apply engine oil to the needle bearing [A] and the sleeve [B]. Install: Needle Bearing Sleeve Install the clutch housing [A]. Fit the holes [B] and projections [C]. Engage the clutch housing gear and the crankshaft primary gear. Install the spacer [A] and the clutch ...

Special Tools and Sealant
Oil Pressure Gauge, 5 kgf/cm²: 57001-125 Hand Tester: 57001-1394 Needle Adapter Set: 57001-1457 Extension Tube: 57001-1578 Fuel Pressure Gauge Adapter: 57001-1593 Fuel Hose: 57001-1607 Measuring Adapter: 57001-1700 Liquid Gasket, TB1211: 56019-120 ...

Air Intake Duct Disassembly (Other than US, CA and CAL Models)
Remove: Air Intake Duct (see Air Intake Duct Removal) Seal [A] and Screen [B] Turn the air intake valve actuator [C] counterclockwise (90°). Remove the shaft [A] of the air intake valve actuator. Remove: Pad [A] Screws [B] Air Intake Valve [C] ...