Kawasaki Ninja Service Manual: Piston Ring Groove Width Inspection

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

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 Removal
Remove: Clutch Cover (see Clutch Cover Removal) Clutch Spring Bolts [A] Clutch Springs (with Clutch Spring Holders) Clutch Spring Plate [B] Pusher [C] Remove: Friction Plates (10) [A] Steel Plates (9) [B] Spring [C] Spring Seat [D] Hold the sub clutch hub [A] ...

Drive Chain Wear Inspection
Remove the chain cover (see Drive Chain Removal/Installation in the Final Drive chapter). Rotate the rear wheel to inspect the drive chain for damaged rollers, and loose pins and links If there is any irregularity, replace the drive chain. Lubricate the drive chain if it appears dry. ...

Braking
Close the throttle completely, leaving the clutch engaged (except when shifting gears) so that the engine will help slow down the motorcycle. Shift down one gear at a time so that you are in 1st gear when you come to a complete stop. When stopping, always apply both brakes at the ...