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:

KIBS Hydraulic Unit Removal
NOTICE The KIBS hydraulic unit [A] has been adjusted and set with precision at the factory. Therefore, it should be handled carefully, never struck sharply, as with a hammer, or allowed to fall on a hard surface. Be careful not to get water or mud on the KIBS hydraulic unit. Drain the b ...

Engine Removal
Support the rear part of the swingarm with a stand. Squeeze the brake lever slowly and hold it with a band [A]. WARNINGMotorcycle may fall over unexpectedly resulting in an accident or injury. Be sure to hold the front brake when removing the engine. NOTICE Be sure ...

Tie-Rod and Rocker Arm Bearing Removal
Remove: Tie-Rod (see Tie-Rod Removal) Rocker Arms (see Rocker Arm Removal) Swingarm (see Swingarm Removal) Sleeves [A] Oil Seals [B] Remove the needle bearings [C], using the bearing remover head and bearing remover shaft. Special Tools - Bearing Remover Head, 15 × 17: ...