Kawasaki Ninja Service Manual: Cylinder (Upper Crankcase) Wear Inspection

Kawasaki Ninja Service Manual / Crankshaft/Transmission / Pistons / 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].
Tighten the cylinder head bolts (see Cylinder Head Installation in the Engine Top End chapter).
Put the crankcase upside down.

Cylinder (Upper Crankcase) Wear Inspection

Since there is a difference in cylinder wear (upper crankcase) in different directions, take a side-to-side and a front-to-back measurement at each of the two locations (total of four measurements) as shown in the figure.

If any of the cylinder inside diameter measurements exceeds the service limit, replace the crankcase.

10 mm (0.39 in.) [A] 60 mm (2.36 in.) [B]

Cylinder (Upper Crankcase) Inside Diameter

Standard: 75.994 76.006 mm
(2.9919 2.9924 in.)

Service Limit: 76.09 mm (2.996 in.)

Cylinder (Upper Crankcase) Wear Inspection

Piston Installation

Apply molybdenum disulfide oil solution to the oil ring expander, and install the oil ring expander [A] in the bottom piston ring groove so the ends [B] not butt together Applymolybdenum disu ...

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 ...

Other materials:

Oil Pressure Relief Valve Inspection
Remove the oil pressure relief valve (see Oil Pressure Relief Valve Removal). Check to see if the valve [A] slides smoothly when pushing it in with a wooden or other soft rod, and see if it comes back to its seat by spring [B] pressure. NOTE Inspect the valve in its assembled stat ...

Wheels
Tubeless tires are installed on the wheels of this motorcycle. The indications of “TUBELESS” on the tire side wall and the rim show that the tire and rim are specially designed for tubeless use. A. “TUBELESS” Mark A. “TUBELESS” Mark The tire and rim form a leakproof unit by ...

ABS Indicator Light (For models equipped with KIBS)
: Normally the ABS indicator light goes on when the ignition switch is turned “ON” and goes off shortly after the motorcycle starts moving. If the ABS is normal, it stays off. If the ABS indicator light shows any of the following, a fault or faults may have taken place in the ABS. You ...