Kawasaki Ninja Service Manual: Piston Wear Inspection

Kawasaki Ninja Service Manual / Crankshaft/Transmission / Pistons / Piston Wear Inspection

If the measurement is under service limit, replace the piston.

Piston Wear Inspection


Piston Diameter

Standard: 75.959 75.974 mm
(2.9905 2.9911 in.)
Service Limit: 75.81 mm (2.985 in.)

Cylinder (Upper Crankcase) Wear Inspection
Split the crankcase (see Crankcase Splitting). Remove the pistons (see Piston Removal). Assemble the cylinder (upper crankcase) [A], the cylinder head [B] and the cylinder head gasket [C]. ...

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 ...

Other materials:

Balance Inspection
Remove the front and rear wheels (see Front/Rear Wheel Removal). Support the wheel so that it can be spun freely. Spin the wheel lightly, and mark [A] the wheel at the top when the wheel stops. Repeat this procedure several times. If the wheel stops of its own accord in various positi ...

Current Mileage
This display mode shows the current mileage by numerical value. The current mileage display is renewed every 4 seconds. A. Current Mileage B. “km/L” NOTE The display unit modes can be changed, refer to the “Unit Setting” item in this section. The numerical value shows “ ...

Exploded View
AL: Tighten the two clamp bolts alternately two times to ensure even tightening torque. HG: Apply high-temperature grease. R: Replacement Parts WL: Apply soap and water solution or rubber lubricant. Specifications WARNINGSome replacement tires may adversely affect h ...