In response to a demand from Yamaha corporation that these materials be removed from this website, we have removed all technical bulletins located here. It was Yamaha's opinion that their inclusion here constituted copyright infringement, and we are not in a position to argue with them. Apologies to all, they had to go.

Turn signal Tech Bulletin

Engine noise valve area
        Part 1

Cam area noise 
          Part 2 

Exhaust leak Bulletin

Speedometer Bulletin

Letter from Yamaha 
          To Dealers