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:

KIBS Warning Indicator Light (For models equipped with KIBS)
The yellow warning indicator light in the meter unit functions as the KIBS warning indicator light. The yellow warning indicator light and warning symbol “KIBS” go on if there is a malfunction in the KIBS system. When the warning light is on, the KIBS system stops functioning. However, th ...

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] ...

Storage
Preparation for Storage Clean the entire vehicle thoroughly Run the engine for about five minutes to warm the oil, shut it off, and drain the engine oil. WARNINGEngine oil is a toxic substance. Dispose of used oil properly. Contact your local authorities for approved disp ...