Browsing Tag

Power Commander

GEAR GRINDER: DYNOJET POWER COMMANDER V & AUTOTUNE

-- Fueling our race-ready YXZ’s thirst, By the staff of Dirt Wheels -- Our YXZ1000R SS creates decent power at around 112 horsepower from the crank, but it’s not enough to holeshot the competition at a WORCS race. You may recall that we installed a full Akrapovic titanium exhaust on this machine, and when you install an exhaust for closed-course racing, you need to add the correct fuel mapping or you could damage the engine. Since all the new performance UTVs and ATVs are fuel-injected, simply changing out a jet…

PROJECT MACHINE: A BETTER-HANDLING YAMAHA GRIZZLY

Upgrading a 2016 Yamaha Grizzly 700 By the staff of Dirt Wheels Watch the full video HERE! Utility quads are used for a lot more than hard work around the ranch. Modern 4x4s easily surpass the power and suspension performance of the sport quads of the past but with superior ground clearance, and many feature four-wheel independent suspension. Those traits make them great machines for traversing trails in the mountains or climbing through rocks and river beds. But, like most off-road machinery, they could use…