Kawasaki Ninja Service Manual: Crankshaft Installation

Kawasaki Ninja Service Manual / Crankshaft/Transmission / Crankshaft and Connecting Rods / Crankshaft Installation

NOTE

If the crankshaft is replaced with a new one, refer to the Connecting Rod Big End Bearing/Crankshaft Main Bearing Insert Selection in the Specifications.

NOTICE

If the crankshaft, bearing inserts, or crankcase halves are replaced with new ones, select the bearing inserts and check clearance with a plastigage (press gauge) before assembling engine to be sure the correct bearing inserts are installed.

Apply molybdenum disulfide oil solution to the crankshaft main bearing inserts.
Install: Crankshaft Connecting Rod Big End Caps (see Connecting Rod Installation)
Apply molybdenum disulfide grease to the grooved side [A] of the thrust washers.
Insert the thrust washers into the groove of the #3 main journal [B].

Turn the oil groove side of the thrust washer to the crankshaft.

NOTE

The thrust washers are identical.
If the thrust washer installed properly, the blue-painted edges [C] are positioned as shown in the figure.

Crankshaft Installation

Front [D]

Connecting Rod Removal

Refer to the Piston Removal.

Crankshaft Removal

Split the crankcase (see Crankcase Splitting). Remove: Connecting Rod Big End Nuts [A] Connecting Rod Big End Caps [B] NOTE Mark and record the locations of the connecting rods and their ...

Connecting Rod Installation

NOTICE To minimize vibration, the connecting rods should have the same weight mark. Big End Cap [A] Connecting Rod [B] Weight Mark, Alphabet [C] Diameter Mark [D] (“” or No Mark) NOTICE ...

Other materials:

Starting the Engine
Check that the engine stop switch is in the position. A. Engine Stop Switch B. Starter Button Turn the ignition key to “ON”. Make sure the transmission is in neutral. A. Neutral Indicator Light B. Ignition Switch C. “ON” position NOTE The motorcycle is equipped w ...

Engine Sprocket Installation
Replace the sprocket washer and axle cotter pin. Install the engine sprocket onto the output shaft. Apply molybdenum disulfide oil solution to the threads and seating surface of the engine sprocket nut. Tighten: Torque - Engine Sprocket Nut: 145 N·m (14.8 kgf·m, 107 ft·lb) NOTE ...

Piston Ring Thickness Inspection
Measure the piston ring thickness. Use the micrometer to measure at several points around the ring. Piston Ring Thickness Standard: Top [A] 0.77 0.79 mm (0.0303 0.0311 in.) Second [B] 0.78 0.79 mm (0.0307 0.0311 in.) Service Limit: Top 0.70 mm (0.0276 in.) Second 0.71 mm (0.0280 ...