The XE4 by Xtreme Electric MX (XEMX) converts Yamaha 250 and 450 YZF/YZFX to high-powered electric dirt bikes. ... In the kit, the IC motor of Yamaha dirt bikes is swapped out with the XE4 engine.

2003 Yamaha WR45QF featuring 449cc, DOHC, ... 2003 Yamaha WR 450 F - Alternatives ... The Yamaha WR426F was a dirt bike that generated interest in rapidly improving four-stroke technology.

Thus the company is celebrating turning 70 this year, and fresh off its big LED Matrix headlight news a couple weeks back, ...

Yamaha has seen an impressive few weeks of progress on electric two-wheelers. The company’s latest contribution to the electric motorcycle industry comes in the form of a new electric dirt bike.

Let’s Get Dirty Yamaha knows how important the WR450F is to Aussie riders. With that in mind, the company has created a special limited edition version for 2021. The Aussie Edition dirt bike features ...