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:

Front Fork Inspection
Holding the brake lever, pump the front fork up and down several times to inspect smooth stroke. Visually inspect the front fork for oil leakage, scoring or scratches on the outer surface of the inner tube. If any doubt about the front fork, it should be checked by an authorized K ...

Coolant Reserve Tank Installation
Install the following to the coolant reserve tank [A]. Pad [B] Gasket [C] Cap [D] Collar [E] Install the coolant reserve tank and tighten the bolt [F]. Run the hoses correctly (see Cable,Wire, and Hose Routing section in the Appendix chapter). Fill the coolant reserve tank with ...

Rear Shock Absorber Inspection
Remove the rear shock absorber (see Rear Shock Absorber Removal). Visually inspect the following items. Smooth Stroke Oil Leakage Crack or Dent If there is any damage to the rear shock absorber, replace it. Visually inspect the rubber bushing [A]. If it show any signs o ...