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

Kawasaki Ninja Service Manual / Crankshaft/Transmission / Pistons / Cylinder (Upper Crankcase) Wear Inspection

Cylinder (Upper Crankcase) Wear Inspection


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:

Crankshaft Installation
NOTE If the crankshaft is replaced with a new one, refer to the Connecting Rod Big End Bearing/Crankshaft Main Bearing Insert Selection in the Specifications. NOTICE If the crankshaft, bearing inserts, or crankcase halves are replaced with new ones, select the bearing inserts and check cleara ...

Starter Motor Assembly
Install the positive brush assy [A] and the starter motor terminal [B] as shown in the figure. Replace the O-ring [C] with a new one, and install it. Install: Brush Springs [A] Negative Brush Assy [B] Turn the stopper side [C] to inside. Tighten: Torque - Brush Holder S ...

Engine Oil
In order for the engine, transmission, and clutch to function properly, maintain the engine oil at the proper level, and change the oil and replace the oil filter in accordance with the Periodic Maintenance Chart. Not only do dirt and metal particles collect in the oil, but the oil itself los ...