Originally Posted by soulstation

^^ explain that to my local mechanic..

on the other hand. can you record the sound. that way we will be able to send it to yamaha and they can analyze that sound in their labs by a means of a sound mapping system that compares the sound waves created by the audio file into a wave form that is directly analyzed with their system. maybe their Engineers will be able to give you a tech sheet that will tell you to either go to your mech and tell him its a reverse firing and they will tell you since the bike is new it does generate sounds such as you hear from your bike... and the BS with like read the manual .... warm the bike up before rolling it into gear... etc.