Water can get into the throttle cable and if it freezes during cold weather, the ice can prevent the throttle from returning to idle. This can cause the rider to lose control, posing crash and injury hazards.
The helmet's plastic shell can crack where the straps attach, causing the helmet to shift and move on the wearer's head. This can result in a head injury hazard to the user in the event of a fall.
The injectors can have small metal shavings left inside during the manufacturing process. The metal shavings can be deposited into the marinade during use and ingested by consumers.