Tire Tread Lateral Runout

Figure 2C-8A. Checking Tire Lateral Runout

Tire tread runout should be no more than 3/64 in. If tire tread runout is more then 3/64", remove tire from rim and check rim bead side runout to see if rim is at fault (see "Truing Wheel").

If rim side runout is less than 1/32", tire is at fault and should be replaced. If rim side runout is more than 1/32", correct by tightening selected spoke nipples as outlined previously, reinstall old tire and recheck tire tread lateral runout.

Figure 2C-8B. Checking Tire Radial Runout

CHECKING TIRE ROUNDNESS (RADIAL RUNOUT)

Check runout by turning wheel on axle, measuring tread runout (see Fig. 2C-8B).

Tire tread runout should be no more than 3/32". If tire tread runout is more 3/32", remove tire from rim and check rim bead runout to see if rim is at fault (see "Truing Wheel").

If rim bead runout is less than 1/32", tire is at fault and should be replaced. If rim bead runout is more than 1/32" correct by tightening selected spoke nipples as outlined previously then reinstall tire and recheck tire tread runout.

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