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:

Radiator Fan System
Fan Motor Inspection Remove the air cleaner housing (see Air Cleaner Housing Removal in the Fuel System (DFI) chapter). Disconnect the connector [A]. Using an auxiliary leads, supply battery power to the fan motor. If the fan does not rotate, the fan motor is defective and must be re ...

For Primary Fuel Injectors
Remove the air cleaner housing (see Air Cleaner Housing Removal). Disconnect the primary fuel injector connector [A]. Connect a digital meter to the terminals in each primary fuel injector [A]. Measure the primary fuel injector resistance. Primary Fuel Injector Resistance ...

Bolts, Nuts and Fasteners Tightness Inspection
Check the tightness of the bolts and nuts listed here. Also, check to see that each cotter pin is in place and in good condition. NOTE For the engine fasteners, check the tightness of them when the engine is cold (at room temperature). If there are loose fasteners, retighten them to ...