Measure the O.D. of the idle gear shaft [Figure 60-100-19].
Measure the I.D. of the idle gear bushing [Figure 60-100-19].
If the clearance exceeds the allowable limit, replace the bushing.
To replace the idle gear bushing, make a driver tool as shown in figure [Figure 60-100-20].
Use a press and special driver tool to remove the old bushing and install the new bushing [Figure 60-100-21].
