* * *
§ 7743. Mufflers and sound control.
(a) General rule.--It is unlawful to operate a snowmobile or
an ATV which is not equipped at all times with a muffler in good
working order which blends the exhaust sound into the overall
snowmobile or ATV sound and is in constant operation to prevent
excessive or unusual [noise] sound. The exhaust system shall not
emit or produce a sharp popping or crackling sound. The sound
intensity produced by a snowmobile shall not exceed 82dbA when
measured in accordance with SAE Recommended Practice J 192
Exterior Sound Level for Snowmobiles, as amended. The department
may by regulation adopt more stringent [noise] sound
requirements for snowmobiles. The department shall by regulation
adopt [noise] sound requirements for in-use operation of ATV's
using measurement procedures in accordance with [ANSI/SAE] SAE
Recommended Practice J 1287 July 1998, Measurement of Exhaust
Level of Stationary Motorcycles. The sound level intensity
produced by an ATV manufactured before January 1, 1998, shall
not exceed 99dbA, or decibels, when measured at 20 inches. The
sound level intensity produced by an ATV manufactured on or
after January 1, 1998, shall not exceed 96dbA, or decibels, when
measured at 20 inches.
* * *
Section 2. This act shall take effect immediately.
20170HB1936PN2753 - 2 -
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24