Motocross(*_ *)

Motocross (sometimes abbreviated as MX or MotoX) - style of riding a motorcycle or ATV off-road trails or special circularity. Motocross is the most popular motorcycle sport in the world. Motocross started to gain popularity in France, which was formerly called Skrembling, however, was invented in the UK. The world's first motocross race took place in Camberley in 1924 The name "motocross" formed from the words "Motorcycle" (English "bike") and "Cross Country" (English "suppression area"). Gradually the name became abbreviated to MX.Motocross tracks are usually quite long (1.5-3 km) and include natural obstacles with different variations of specially designed ramps and other handmade items. There has not met the road, which would consist of hills and turns, without a single jump. Supercross, motocross as a kind of - it is entirely man-made trail, usually a short length with many jumps and turns, the construction of the stadiums (and sometimes indoor).Due to the size of the road, in motocross typically involved 40 riders, and in Supercross - about 25.Races are different in length, usually measured in time plus 1-2 range. Grand Prix (GP) or Chempioant of America (Pro AMA) are usually within 30 minutes + 2 laps. Amateur racing is usually occupied by much smaller, about 10 minutes. When the appointed time comes, people honk racers at the finish that left one (or two) of the disk, and then the race ends the checkered flag waved. Other off-road variety, such as Enduro (almost the same as motocross, racing only pass on the great natural highway, and are much longer and at higher speeds). There is established a certain number of laps or just the maximum time limit.Races take place on arrival. Usually a race consists of two check-up which is made final.

 Motocross bikesMotocross bikes usually have a capacity of engines from 50cc to 550cc.The most basic difference in the motocross bikes if they have a two-stroke engine (2T) or four (4T). Prior to 1965. all motocross bikes are 4 stroke, but with the development of technology 2T divgateli become better and become more popular in the sports arena in the 70s, 80s and 90s.Two-stroke engine produces more power than the four of the same volume (cc), however, the fuel must be mixed with oil. Chetyrehtaktniki continue to be used by professional racers, mostly in the class of MX3. Because the laws on environmental protection, the new generation 4-taktnikov appeared only in the late 90s, as a Yamaha YZ400.With the change the rules now allow chetyrehtaknikam act on races in the same class with dvuhtaktnikami smaller volume (see table below), and an increase in power a new generation of 4T engines (they have to work at higher speeds, use short piston rods, compared to the previous generation), sports 4T took in his arms. However, so far every year lot of disputes about what is still better, and manufacturers of motocross bikes 4T aspiring to make them even better.Riders are usually separated into classes according to engine size (but not always). The main classification is given