The quintet. Dear ATVC: I just picked up a Yamaha Raptor 660 and it’s the first Yamaha I’ve ever owned. I am really surprised to hear they ran 5-valve heads. Why not the standard 4? It seems like nothing but more complexity. Even though four valves is the commonly accepted norm (two intake and two […] More »

For a majority of the world, the OEM 3-wheeler waved goodbye in 1988. In the years since, countless custom efforts have been created by talented builders the world over. However, we can only marvel at the trend of converting a super sport street bike (commonly referred to as a crotch rocket) into a 3-wheeler! The […] More »