5
Note: The phrase “remove or render inoperative any device or element of design” has been generally
interpreted as follows:
Tampering does not include the temporary rendering inoperative of devices or elements of design
in order to perform maintenance.
Tampering could include:
Maladjustment or vehicle components such that the emissions standards are exceeded.
Use of replacement parts or accessories which adversely affect the performance or durability of the
motorcycle.
Addition of components or accessories that result in the vehicle exceeding the standards.
Permanently removing, disconnecting, or rendering inoperative any component or element of
design of the emission control systems.
WE RECOMMEND THAT ALL DEALERS OBSERVE THESE PROVISIONS OF FEDERAL LAW, THE VIOLATION OF
WHICH IS PUNISHABLE BY CIVIL PENALTIES NOT EXCEEDING $10,000 PER VIOLATION.
Tampering With Noise Control System Prohibited
Owners are warned that the law may prohibit:
The removal or rendering inoperative by any person other than for purposes of maintenance, repair
or replacement, of any device or element of design incorporated into any new vehicle for the
purpose of noise control prior to its sale or delivery to the ultimate purchaser or while it is use; and
The use of the vehicle after such device or element of design has been removed or rendered
inoperative by any person
Federal law prohibits the following acts or the causing thereof: (1) The removal or rendering inoperative by
any person other than for purposes of maintenance, repair, or replacement, of any device or element of
design incorporated into any new vehicle for the purpose of noise control prior to its sale or delivery to the
ultimate purchaser or while it is in use, or (2) the use of the vehicle after such device or element of design
has been removed or rendered inoperative by any person.
Among those acts presumed to constitute tampering are the acts listed below:
Replacement of the original exhaust system or muffler with components not in compliance with
federal regulations.
Removal of the muffler(s) or any internal portion of the muffler(s).
Removal of the air box or air box cover.
Modifications to the muffler(s) or intake system by cutting, drilling, or other means if such
modifications results in increased noise levels.