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The Dirt Wheels crew will ride a box-stock quad for awhile, but then we start thinking about ways to improve its performance. Building project quads is a way of life for us. Here is a list of some that made it into the Dirt Wheels Project Quad Hall of Fame. Click on the links above […]

Honda ATC 350X Rebuild

When it was a new high-performance thumper nearly 30 years ago, the 1985–1986 Honda ATC350X was the biggest performance four-stroke three-wheeler around. It, like nearly all three-wheelers of the time, was more of a serious sport machine for the trail than a racer. At Dirt Wheels, we have seen a resurgence of riders restoring these […]

PROJECT: Honda 400X Budget Trail Machine

Honda’s 400EX—or 400X in this case—has been around since 1999, where we entered it in the Baja 1000 and set a new record for an ATV at 23 hours, 59 minutes and 33 seconds. At the time, it was the most venerable race quad around, but time and technology have relocated the 400X to the […]

PROJECT ATV: Fast Yamaha Raptor 700

We believe the R&D department at Yamaha sent a team of scientists back in time to capture one of the most ferocious dinosaurs around, the Raptor. It was fast, powerful and aggressive, just like the Raptor 700R, so it would make sense that they somehow mechanically enhanced the dinosaur with four wheels and produced it […]

PROJECT ATV: Banshee Back to Life!

Throughout ATVing’s history, there have been a handful of machines that have earned legendary status. Among them are the famed Honda 250R, Suzuki’s LT500 Quadzilla and Yamaha’s screaming Banshee 350 twin. Yes, they are all two-strokes, and yes, they all spanned fanatic followings that can rival your favorite rock band. Head to any dune big […]


Since its first year of production in 1999, Honda’s TRX400EX has a reputation for being one of the most durable and fun sport ATVs of all time. The design of the TRX hasn’t changed too much in its lifetime because it never needed to. The air-cooled four-stroke engine is practically bulletproof, the lack of liquid […]

PROJECT ATVs: Bargain Built Suzuki LT-R 450’s

One good thing that has come out of the recent economic recession is smoking hot deals on used quads everywhere. Desperate people are liquidating some of their disposable assets, and savvy shoppers can take advantage of the bargains. Here on the West Coast, sport quads seem to be the most available. We see deals on […]


When Suzuki introduced the track-ready, 49-inch wide LT-R450, they turned a lot of heads. Now amateur MX racers had a machine they could take off the dealer showroom floor, add a few safety features, and race it that weekend. They would save thousands in aftermarket A-arms, shocks and tires. Furthermore, Suzuki had a product that […]