With two new treatments only adding to its appeal, the XSR125 makes a helluva case for good things in small packages.

The engine kicks in at medium to high speeds, as it is considered more suitable and, strangely enough, more efficient during this portion of a rider's trip. This moment is called in Yamaha speak ...

One of those memories for me is my time with Yamaha's MT ... hairs on the back of your neck at full mast. Yamaha made something special with that engine, and it's the same for the R1, as well ...