May 31, 2010 #1 Z ZacharyM Member Joined Jul 5, 2008 Messages 42 Reaction score 0 Points 6 sport bike engines are more powerful than dirt bike engines. how do they make them more powerful
May 31, 2010 #2 A adam Active member Joined May 15, 2008 Messages 1,217 Reaction score 0 Points 36 first of all displacement! Your dirt bike has a little 125 or 250 C.C. motoe and the sportbikes are 600,750,1000 C.C. and up. In addition double overhead cam with 4 valves per cylinder and 12000 R.P.M.s!
first of all displacement! Your dirt bike has a little 125 or 250 C.C. motoe and the sportbikes are 600,750,1000 C.C. and up. In addition double overhead cam with 4 valves per cylinder and 12000 R.P.M.s!