The Kawasaki KX450 is an incredibly popular dirt bike thank to its robust engine, but just how fast does this iconic ...

An improved 85 cc 2-stroke engine, housed inside a brand-new chromium molybdenum steel frame, delivers exceptional power and torque. Adjustable WP suspension, together with a new single-piece ...

We've seen some mad Hayabusa custom bikes over the years, but this one's right out of the box. It ditches the original engine ...

Many factors can contribute to the potential top speed of a dirt bike. Dirt bikes are equipped with either 2-stroke engines or 4-stroke engines. If you ever spot a 2-stroke dirt bike, you would likely ...

We’re introduced to the traditional two-stroke diesel engine as thermally efficient but not smooth-running, and then the gas turbine as smooth but much more inefficient. The free piston engine ...

Disruptions of blood circulation to the brain may result in a stroke. It occurs in two forms, both potentially life-threatening. If you or someone with you exhibits signs of a stroke, do not delay.

Looking for the perfect off-road motorcycle? Motorcyclist brings you the latest dirt bike and motorcycle reviews, new model previews, and motorcycle news. We’ve got detailed rundowns of the ...