2003 Yamaha Motorsports Vino Classic Owners Manual - Page 68
2003 Yamaha Motorsports Vino Classic Manual
Page 68 highlights
CONSUMER INFORMATION EAU01055 Scooter 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 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." These acts include tampering with the following systems; i.e., modification, removal, etc. Exhaust system Muffler Exhaust pipe Silencer Air cleaner case Air cleaner element Intake duct Intake system 9 9-4