New from Yamaha for 2006 comes an all-new TTR50. Up until this point, Honda, with their CRF50, owned the mini bike market, but Yamaha intends to change that. And with a bike that has tremendous features, they have a great shot of meeting… Read More...
We normally ignore doomsday predictions. They never come true. Do you remember the Y2K hysteria, or the Nostradamus hype? There is, however, a new end-of-the-world scare! It is the much-hyped extinction of the two-stroke. Are we scared? No.… Read More...
By John Basher As Tim Olson and I were cruising down the highway towards Glen Helen raceway on a beautiful Tuesday morning, I slowly began to see the track in the distance creep up on the horizon. It wasn't my first time visiting the huge… Read More...
2004 YAMAHA YZ125 What's new on the 04 YZ125? 1. The shape of the scavenging port and exhaust port is changed (the timing is also revised) 2. The setting on the YPVS governor spring is changed for better acceleration in the low to mid. 3.… Read More...
Even though the 2003 Yamaha YZ450F cases have the openings to accept an electric starter, it would be prohibitively expense to mount the WR450 starter onto the YZ450F. The associated costs would include a new airbox, new side cases,… Read More...
The MXA test crew has used a special needle in its 2002 YZ125. The original MXA needle was a works part that was hand made. During testing, the works needle performed better than the stock YZ125 needle. Unfortunately, the hand-made needle… Read More...
Amidst all the hype surrounding the first outing of Honda's RC450, Yamaha also debuted a new bike at the October 22nd race in Japan. That's right, at the same mud race where Tortelli showed the world the RC450, Ernesto Fonseca proved to the… Read More...
Believe it or not, Yamaha will race a four-stroke in the 125 class next year. No, not a 125cc four-stroke---a 250cc four-stroke. Under current AMA rules the 125 class is limited to 0-to-125cc two-strokes and 0-to-250cc four-strokes. The… Read More...
There is no doubt that the Yamaha YZ-F will encourage lots of new riders into the four-stroke fold. The rite of passage for any neophyte four-stroke rider is starting one of the beasts. The golden rule--tattoo this on your forehead is:… Read More...
We can't tell you how to jet your bike. It's a big world out there (and we don't know you all that well). However, we can tell you what jetting we run in the MXA test fleet. Take into account that we race in a Mediterranean climate, near… Read More...