Waking Up Your Quad - The 440 Big Bore Kit 400ex
Installing a 440 big bore kit 400ex is basically the rite of passage for anyone who thinks their Honda TRX400EX is getting a little too comfortable in the slow lane. Let's be real for a second—the 400EX is a legend. It's arguably one of the most reliable, easy-to-ride sport quads ever built. But, if you've been riding one for a while, you know the feeling of watching your buddies on their fuel-injected 450s disappear into a cloud of dust the second the trail opens up. You love the couch-like comfort and the reverse gear, but you're itching for that extra grunt. ...