The number one rule in two-stroke motor modification is More Air = More Horsepower. Help your engine get the maximum airflow for maximum horsepower. SIGNIFICANT HORSEPOWER GAINS: One of the main factors in the incredible po...
There are three characteristics, or flavors, in the power department. And depending on how you want your horsepower served will determine the more suitable brand. The CRF sits in the middle of the other two with a very well-rounded powerband that does not kill it either...