If you're looking to purchase a motorcross bike, there are a few basics you need to know. Many bikes look alike, but behave very differently.
The majority of motorcross bikes are identified by engine size. For example, a Honda CBR600 has an engine with a cylinder volume of 600 cubic cm.(cc). If you have trouble identifying the engine size of the motorcross bike, it is usually found on a sticker on the bike's frame in the handlebar area.
Don't assume the larger the cc the more power your motorcross bike will have. That's not always the case. The way a motorcross bike's engine is configured can make all the difference. A highly tuned four-cylinder 600 cc machine has much more power than a single-cylinder 600 cc machine. A four-cylinder motorcross bike will also generally be wider and heavier and if you're looking for a more stable ride, that might be the motorcross bike for you.
Alternately, some motorcross bikes use an alternative to the straight-four cylinder and use a V-twin configuration. Most V-twin riders claim that their motorcross bikes ride smoother and are even easier to handle.
If you're looking for a motorcross bike to ride on and off-road, look towards a single cylinder. The weight of the bike will be less and reduces fuel usage and horsepower. If you want a simple fun ride or you're just getting into the sport of motorcross a single cylinder is a great way to learn to ride and control your bike.
If you're going to be strictly off-road. Investigate getting a two-stroke engine motorcross bike. They don't meet emissions requirements for on-road use, but they are simple, lightweight machines but the con to this choice is that they are maintenance intensive, loud and smoky.
Now that you know a little about choosing a motorcross bike, get the bike that suits your needs and get out there and ride!
