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YAMAHA YFZ450 WITH 200 HORSEPOWER! Upon further review that’s not a single-cylinder engine. It’s got 4 exhaust pipes and 4 intake tracks, so there’s no way it can be a YFZ450 engine. Maybe we should read what James Masephol said about his quad in his Email to us. Well, it did indeed start out as […]


TWO-STROKE YFZ300 Gerald Tramble is a Dirt Wheels reader who lives in France. Just like many of us in the USA, he has a strong passion for ATV racing. ATV motocross is very popular in Europe too. As expected, Yamaha’s YFZ450 is a machine many Europeans choose to race. For Gerald though, he wanted his […]


Over the years we have tested many fully built machines that we have given rave reviews over and some we haven’t liked much at all. Since the new sport ATV world is stagnant at the moment, we have been building plenty of older machines that prove that they are still very worthy of competing. Our […]

HOW-TO: TOP SPEED TEST! Changing gearing and tire sizes

Yamaha’s YFZ450R has already won a couple of our shootouts. It handles great, gets around a track quickly and is fun to ride. However, when you get the machine away from the track, it is limited by its top speed. The YFZ450R and YFZ450X have nearly the slowest top speeds in their respective classes. We […]

GEAR GRINDER: PRP Pro Steering Stabilizer

Precision Racing Products has a stable foot in the ATV world. They manufacture steering products, like anti-vibration bar clamps, but steering stabilizers are their specialty. We got our hands on their Pro Steering Stabilizer and installed it on our Dirt Wheels Yamaha YFZ450R. Whether you are out racing or riding recreationally, this stabilizer enhances handling […]


Since the release of the X-Rex tire from GBC, we have always been impressed with the superior traction and durability of it for sport ATVs. Over the last year, we have been testing a set of the updated and renamed version of the X-Rex, the XC Master. This six-ply tire is available in rear sizes […]


Make your Yamaha rule the trees By the staff of Dirt Wheels   It takes a special type of talent and drive to be a GNCC pro ATV champion and an even rarer sort of person to win multiple titles in a row. As you might imagine, winning those championships also takes a very special sort […]

BUYER’S GUIDE: 2016 Sport ATVs

Another year has passed, which means new and exciting ATV models have hit the market. Nowadays, these machines are coming with more features at better price points. Power steering is becoming a standard feature on a lot of new machines, which is a nice thing to have. The 4×4 market is gaining new models every […]


WALKER FOWLER Starting off the 2016 Grand National Cross Country (GNCC) series at the top of the podium, N-Fab/Am Pro/Moto-XPerts Yamaha-sponsored Walker Fowler will defend his XC1 Pro ATV class title after securing the 2015 championship aboard his YFZ450R at only 22 years of age. Despite his youth, Fowler brings a decade of two and […]


Yamaha Motor Corp., USA, the best-selling Sport ATV brand in America, announces its 2016 Side-by-Side (SxS) and ATV racers Commanding the ATV MX effort for Yamaha in 2016 is four-time AMA Pro ATV champion Chad Wienen on his Wienen Motorsports/SSI YFZ450R. In 2015, Wienen became only the second racer in ATV MX history to win […]

PRODUCT TEST: Vanilla Gorilla Skid Plate

Protecting the underbelly of your ATV frame is one of the best investments you can do. Another added bonus to having a full-belly skid is that it helps you slide over rocks and other obstacles that you may traverse over without any damage to your machine. When choosing a full-belly skid you have many options, […]

ATV TEST: 2015 Yamaha YFZ450R Special Edition

Yamaha’s YFZ450R is one impressive sport ATV right out of the box. The engine is powerful, the suspension outperforms all other stock sport quad suspensions, and the overall performance of the machine is very satisfying. Without question, Yamaha continues to upgrade this quad each year, and the 2015 YFZ450R Special Edition was not left out […]