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:

Handlebar Installation
Apply a non-permanent locking agent to the threads of the handlebar positioning bolts and tighten them. Torque - Handlebar Positioning Bolts: 9.8 N·m (1.0 kgf·m, 87 in·lb) Install the steering stem head with handlebars. Install the washer [A] and steering stem head nut [B]. Tighten: ...

Fuel Pressure Inspection
NOTE Be sure the battery is fully charged. Remove: Fuel Tank Covers (see Fuel Tank Removal) Fuel Tank Bolts (see Fuel Tank Removal) Primary Fuel Hose (see Fuel Hose Replacement in the Periodic Maintenance chapter) Be sure to place a piece of cloth around the fuel outlet pipe of the ...

Reporting safety defects
(For Products Sold in the United States of America, District of Columbia, and U.S. Territories Only) If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHT ...