What should you avoid doing with a motorcycle helmet to maintain its integrity?

Drilling holes in a motorcycle helmet compromises its structural integrity and safety features. Helmets are engineered to protect the rider's head during an impact, and any alteration, like drilling holes, can weaken the shell and reduce its ability to absorb shock during an accident. The materials used in helmet construction are carefully selected to provide optimal protection, and modifying them through drilling creates weak points that can lead to catastrophic failure in a crash.

In contrast, installing a new strap, while it must be done carefully and correctly, does not generally affect the helmet's protective capabilities. Washing a helmet in a washing machine can damage its inner lining and foam padding, but it does not structurally alter the helmet itself. Storing it in a warm area, while not ideal, also does not physically alter the construction of the helmet like drilling does. Maintaining the helmet in its original condition without modifications is essential for ensuring it provides the maximum level of protection when needed.