New Jersey Permit Test 1 Question In Utah, the minimum tread depth for a tire on a motorcycle is: Answers 1/32 of an inch. 2/32 of an inch. 1/4 of an inch. 1/2 of an inch. Explanation In Utah, all motorcycles must have tires with tread depths of at least 2/32 of an inch. Answer Statistics 26.67 % of our users get this question wrong. This questions is relatively Easy. New Jersey Permit Test This questions appears in the following tests: Utah Practice Test