Honda TRX500FA 2006 Owner's Manual page 264

Noise Emission Control System
TAMPERING WITH THE NOISE CONTROL SYSTEM IS
PROHIBITED:
State laws prohibit, or Canadian provincial laws may prohibit the
following acts or the causing thereof: ( ) 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 ( ) 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 FOLLOWING ACTS:
1. Removal of, or puncturing the muffler, baffles, header pipes or any
other component which conducts exhaust gases.
2. Removal of, or puncturing of any part of the intake system.
3. Lack of proper maintenance.
4. Replacing any moving parts of the vehicle, or parts of the exhaust or
intake system, with parts other than those specified by the
manufacturer.
Emission Control Systems
1
Technical Information
2
255