Kawasaki Ninja Service Manual: Clutch Spring Free Length Measurement

Kawasaki Ninja Service Manual / Clutch / Clutch / Clutch Spring Free Length Measurement

If any spring is shorter than the service limit, it must be replaced.

Clutch Spring Free Length

Standard: 43.5 mm (1.71 in.)

Service Limit: 42.1 mm (1.66 in.)

Clutch Spring Free Length Measurement


Clutch Plate Warp Inspection
Place each friction plate or steel plate on a surface plate and measure the gap between the surface plate [A] and each friction plate or steel plate [B] with a thickness gauge [C]. The gap is ...

Clutch Housing Finger Inspection
Visually inspect the clutch housing fingers [A] where the friction plate tangs [B] hit them. If they are badly worn or if there are groove cuts where the tangs hit, replace the housing. Also, ...

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Coupling Bearing Inspection
Since the coupling bearing is made to extremely close tolerances, the clearance can not normally be measured. NOTE It is not necessary to remove the coupling bearing for inspection. If the bearing is removed, it will need to be replaced with a new one. Turn the bearing in the coupling b ...

Inner Tube Inspection
Visually inspect the inner tube [A]. If there is any damage, replace the inner tube. Since damage to the inner tube damages the oil seal, replace the oil seal whenever the inner tube is replaced. NOTICE If the inner tube is badly bent or creased, replace it. Excessive bending, followed by ...

Spring Tension Inspection
Since a spring becomes shorter as it weakens, check its free length [A] to determine its condition. If the spring of either fork leg is shorter than the service limit, it must be replaced. If the length of a replacement spring and that of the remaining spring vary greatly, the remaining s ...