With so many different types of motorcycles, and so many companies that produce dirt bikes, some classification is needed to distinguish between all of them. The three main types of dirt bikes that are available to purchase are expensive, mid-price, and inexpensive. Under those categories are the different types of engines, two-stroke and four-stroke. The two-stroke engine, takes a mix of oil and gas and ignites it in the cylinder, providing the power and lubrication …showed first 75 words of 513 total…

…showed last 75 words of 513 total…have fun, and good for older children. They also make a four stroke bike, the KLX 300 which is about the same size as the KDX, but much slower. The smaller bikes, such as the YZ 80, and the TTR 250, from Yamaha, are less expensive because of their size. The smaller the bike, the smaller the parts, the cheaper it is. These inexpensive bikes are made for smaller children because of the small size of the bike.