Kawasaki Ninja Service Manual: Crankshaft Side Clearance Inspection

Kawasaki Ninja Service Manual / Crankshaft/Transmission / Crankshaft and Connecting Rods / 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, replace the thrust washers as a set and check the width of the crankshaft #3 main journal.

Crankshaft Side Clearance Inspection

Crankshaft Side Clearance Standard: 0.05 0.25 mm
(0.0020 0.0098 in.)

Service Limit: 0.45 mm (0.0177 in.)

Measure the width [A] of the crankshaft #3 main journal [B].

If the measurement exceeds the standard, replace the crankshaft.

Crankshaft #3 Main Journal Width Standard: 23.49 23.54 mm (0.9248
0.9268 in.)

Crankshaft Side Clearance Inspection

Connecting Rod Big End Bearing Insert/Crankpin Wear Inspection

Remove the connecting rod big end (see Connecting Rod Removal). Cut strips of plastigage to crankpin width. Place a strip on the crankpin parallel to the crankshaft installed in the correct ...

Crankshaft Runout Inspection

Measure the crankshaft runout. 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 ( ...

Other materials:

Exhaust Butterfly Valve Actuator Resistance Inspection
Turn the ignition switch to OFF. Disconnect the exhaust butterfly valve actuator lead connector (2 pins connector) [A]. Set the hand tester to the × 1 Ω range and connect it to the exhaust butterfly valve actuator connector. Special Tool - Hand Tester: 57001-1394 Measure ...

Wheel/Tire Damage Inspection
Remove any imbedded stones [A] or other foreign particles [B] from tread. Visually inspect the tire for cracks and cuts, and replace the tire if necessary. Swelling or high spots indicate internal damage, requiring tire replacement. Visually inspect the wheel for cracks, cuts and dents ...

Drive Chain Lubrication Condition Inspection
If a special lubricant is not available, a heavy oil such as SAE 90 is preferred to a lighter oil because it will stay on the chain longer and provide better lubrication. If the chain appears especially dirty, clean it before lubrication. NOTICE The O-rings between the side plates seal ...