Tire/Wheels

Question 1

Tread Depth

Answer 1

Minimum depth in front: 4/32 (no recaps or re-grooved)
Minimum depth in rear: 2/32 (can be recapped or regrooved)

Question 2

Inflation

Answer 2

Check with a tire gauge

Question 3

Sidewall

Answer 3

Check for damage, dry rot, cuts, bulges, abrasions or excessive wear

Question 4

Valve stem

Answer 4

Securely mounted, has cap, and is not leaking, no dry rot

Question 5

Wheels

Answer 5

Not cracked, bent, or broken, no repair welds

Question 6

Lug nuts

Answer 6

Make sure they are tight and not cracked, no rust trails, or shiny threads

Question 7

Hub seals

Answer 7

Make sure the bolts are tight and there are no excessive leaks

Question 8

Rear duals

Answer 8

Evenly spaced, nothing between the tires, same size tires, spacers properly centered, no debris