For the dirt bike, Yamaha has used a torsion damper with the gearbox, as the use case for the two motorcycles is different. The result of doing so is better throttle response again, as racing in ...

Welcome to the quarter-liter class, no-nonsense machinery. The 2007 MY TT-R230 is a peppy Yamaha dirt bike engineered with a host of YZ-inspired components and aimed at riders who have gotten well ...