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:

Spring Preload Adjustment
Remove the rear shock absorber from the frame (see Rear Shock Absorber Removal). Loosen the locknut and turn out the adjusting nut to free the spring. Special Tools - Hook Wrench T=3.2 R37: 57001-1539 Hook Wrench R=35: 57001-1580 To adjust the spring preload, turn in the adjusting n ...

Master Cylinder Inspection (Visual Inspection)
Remove the master cylinders (see Front/Rear Master Cylinder Removal). Disassemble the front and rear master cylinders (see Master Cylinder Rubber Parts Replacement in the Periodic Maintenance chapter). Check that there are no scratches, rust or pitting on the inner wall [A] of each ma ...

Tie-Rod and Rocker Arm Bearing Installation
Replace the needle bearings [A] and oil seals with new ones. Apply plenty of grease to the lips of the oil seals. Install the needle bearings and oil seals position as shown in the figure. Screw the needle bearing driver into the driver holder. Insert the needle bearing driver into th ...