Equipment Required
Brakes: Each snowmobile must have a braking system capable of:

• Stopping the snowmobile in not more than 40 feet from an initial speed of 20 miles per hour while the snowmobile travels on packed snow carrying an operator who weighs 175 pounds or more.
• Locking the snowmobile's traction belt or belts.
  

Noise: Each snowmobile manufactured after July 1, 1977, shall be equipped with a muffler which does not exceed 78 decibels of sound pressure at 50 feet as measured by the 1974 SAE J-192a.
Helmet: All persons operating or riding on a snowmobile must wear a Department of Transportation approved crash helmet.
Lighting: all snowmobiles must display a lighted headlight and taillight at all times during operation.