Posted February 13, 2016 1:04 am by Comments

By Vanessa Torres

Michigan DNR
Michigan Department of Natural Resources

Michigan -( Michigan Department of Natural Resources conservation officers are offering snowmobile sound testing from 9 a.m. to noon Saturday, Feb. 20, at the DNR customer service centers in Marquette, Newberry and Gaylord.

Sound testing is offered only for 2-stroke machines manufactured after 1980. Conservation officers also will be available during this time to answer snowmobile law-related questions.

Snowmobiler“Decibel-level enforcement has increased this winter to ensure snowmobilers are in compliance with state law and acceptable noise levels, which ensures a better experience for everyone on the trails,” said 1st Lt. Pete Wright. “There is a zero tolerance for sound violations. These sound-testing events offer a great opportunity to make certain your sled is within legal decibel levels.”

The sound test, which takes approximately 10 minutes to perform, includes:

  • Placing the snowmobile in a designated test area (no objects within a 16-foot radius of the snowmobile).
  • Placing the sound meter 4 feet above the ground and 13 feet 1.5 inches from the centerline of the machine, on the same side as the exhaust.
  • The operator, while holding the brake, increasing engine speed until the tachometer reaches 4,000 RPMs +/- 250, and then keeping …Read the Rest

    Source:: AmmoLand

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