The majority of content written on the side of a dirt bike tire is to help identify the size, model and terrain the tire is suited to. The first series of numbers you will need to learn are the ones which relate to sizing...

What oil should I use in my motocross bike? The lifeblood of any combustion engine is the oil which helps lubricate moving parts to reduce friction. But which oil is best for 2 and 4 strokes? And what oil should you be using in...