<DIV><DIV>The Honda high-performance four-stroke motorcycle is one of the most popular off-road motorcycles in the country. In this book, widely known and highly respected tuner and journalist Eric Gorr, <I>Dirt Rider&#8217;s</I> Dr. Dirt and owner of Forward Motion, takes off-road enthusiasts through the paces of performance projects for their Honda CRFs. Whether it&#8217;s a CRF450F, CRF250F, CRF450X, or CRF250X, your high-performance four-stroke Honda comes under Gorr&#8217;s purview as he details the ins and outs of buying, maintaining, and upgrading the CRF&#8212;and doing the best off-road bike one better. <DIV>&nbsp;</DIV>