Noise Regulation - Yamaha YFM90RY Owner's Manual

Noise regulation

TAMPERING WITH NOISE CONTROL SYSTEM PROHIBITED:
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 de-
sign 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".
These acts include tampering with the following systems; i.e., modification, removal, etc.
11
Exhaust system
Muffler
Exhaust pipe
Silencer
Intake system
Air cleaner case
Air cleaner element
Intake duct
11-3