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Polaris 2-Stroke rebuild

Polaris 2-Stroke Rebuild One of the advantages that a two-stroke has over a four-stroke is that it generally produces more horsepower per cc. Because of their increased wear and tear, two-stroke quad en­gines require more reg­ular maintenance and replacement of the top-end components than their four-stroke counterparts. The good news is that because you are not dealing with valves, springs, cam chains or pushrods, rebuilding your two-stroke is fairly simple. To illustrate how quick and easy a top-end rebuild can…

HONDA 400EX EXHAUST SHOOTOUT

-- Another Blast From The Past favorite -- Back in 2001 Honda was selling 400EX sport quads as fast and they could make them. It was an extremely popular machine and it seemed like every body had one.  The number one thing on their minds was to make these Hondas even better. Or, more to the point, how to make them faster.  That was what the Dirt Wheels crew did for a living and an aftermarket pipe was always the first thing we bolted on to a given quad. "Which pipe is best?" is a question we constantly got from our…