Kawasaki Ninja Service Manual: Connecting Rod Bend Inspection

Kawasaki Ninja Service Manual / Crankshaft/Transmission / Crankshaft and Connecting Rods / Connecting Rod Bend Inspection

Remove the connecting rod big end bearing inserts, and reinstall the connecting rod big end cap.
Select an arbor [A] of the same diameter as the connecting rod big end, and insert the arbor through the connecting rod big end.
Select an arbor of the same diameter as the piston pin and at least 100 mm (3.94 in.) long, and insert the arbor [B] through the connecting rod small end.
On a surface plate, set the big-end arbor on V block [C].
With the connecting rod held vertically, use a height gauge to measure the difference in the height of the arbor above the surface plate over a 100 mm (3.94 in.) length to determine the amount of connecting rod bend.

If the connecting rod bend exceeds the service limit, the connecting rod must be replaced.

Connecting Rod Bend Service Limit: TIR 0.2/100 mm (0.008/3.94 in.)

Connecting Rod Bend Inspection

Crankshaft/Connecting Rod Cleaning

After removing the connecting rods from the crankshaft, clean them with a high flash-point solvent. Blow the crankshaft oil passages with compressed air to remove any foreign particles or res ...

Connecting Rod Twist Inspection

With the big-end arbor [A] still on V block [C], hold the connecting rod horizontally and measure the amount that the arbor [B] varies from being paralleled with the surface plate over a 100 ...

Other materials:

Specifications
Connecting Rod Big End Bearing Insert Selection Crankshaft Main Bearing Insert Selection *: The bearing inserts for Nos. 2 and 4 journals have an oil groove, respectively. ...

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 big end caps so that they can be reassembled in their original positions. Remove the crank ...

Exhaust System Identification
Exhaust Pipe Mark Position [A] Premuffler Chamber Mark Position [A] Muffler Body Mark Position [A] Premuffler Chamber [A] with Hole [B] for Oxygen Sensor [C] Honeycomb Type Catalyst Position [A] Specifications ...