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:

System Components
1. FI ECU The FI ECU analyzes the motorcycle conditions based on the signals from the front/rear wheel rotation sensors and FI sensors (such as the crankshaft sensor and main throttle sensor), and controls engine power by reducing the number of ignition and retarding the ignition timing. The m ...

Caliper Rubber Parts Replacement
Front Caliper Disassembly Remove: Front Caliper (see Front Caliper Removal in the Brakes chapter) Brake Pads (see Front Brake Pad Removal in the Brakes chapter) Remove: Front Caliper Assembly Bolts [A] Split the front caliper. Remove: Pad Spring O-ring [A] U ...

Front Wheel Installation
NOTE The direction of the wheel rotation [A] is shown by an arrow [B] on the wheel spoke. Check the wheel rotation mark on the front wheel and install it. Apply high-temperature grease to the grease seal lips. Fit the collars [A] on the both sides of the hub. The collars are i ...