A used helmet with visible cracks: Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question A used helmet with visible cracks: Answers Is acceptable. Will likely still provide adequate protection. May be compromised and should not be used. Is okay as long as the helmet still fits snugly. Explanation Helmets can provide the best protection when they meet DOT standards and have no signs of damage. A helmet that has been damaged should be replaced. This questions appears in the following tests: Oklahoma Motorcycle Practice Test 10