Kawasaki Ninja Service Manual: Crankshaft Runout Inspection

Kawasaki Ninja Service Manual / Crankshaft/Transmission / Crankshaft and Connecting Rods / Crankshaft Runout Inspection

If the measurement exceeds the service limit, replace the crankshaft.

Crankshaft Runout

Standard: TIR 0.03 mm (0.0012 in.) or less

Service Limit: TIR 0.08 mm (0.0032 in.)

Crankshaft Runout Inspection


Crankshaft Side Clearance Inspection
Insert a thickness gauge [A] between the thrust washer [B] on the crankcase and the crank web [C] at the #3 main journal to determine clearance. If the clearance exceeds the service limit, r ...

Crankshaft Main Bearing Insert/Journal Wear Inspection
Split the crankcase (see Crankcase Splitting). Cut strips of plastigage to journal width. Place a strip on each journal parallel to the crankshaft installed in the correct position. Tighten ...

Other materials:

Valve Guide Installation
Apply engine oil to the valve guide outer surface before installation. Heat the area around the valve guide hole to about 120 150°C (248 302°F). NOTICE Do not heat the cylinder head with a torch. This will warp the cylinder head. Soak the cylinder head and heat the oil. Usin ...

Fuel Type
Use clean, fresh unleaded gasoline with a minimum Antiknock Index of 90. The Antiknock Index is posted on service station pumps. The octane rating of a gasoline is a measure of its resistance to detonation or “knocking.” The Antiknock Index is an average of the Research Octane Number (R ...

IC Igniter Inspection
The IC igniter is built in the ECU [A]. Refer to the following items. Interlock Operation Inspection (see Interlock Operation Inspection) Ignition System Troubleshooting (see Ignition System section) ECU Power Supply Inspection (see ECU Power Supply Inspection in the Fuel System (D ...