well, i bet they did it to avoid confusion in one way, but they accidentally caused it another way.... they probly used different part numbers so you dont think you got a cage for an atc if you did order it for a cr.... cause people are generally stupid they wont look through the list to see several wheelers and bikes share the same intakes.....i reckon thats why.
1985 Honda ATC250R drag trike with s/t kit and full drag CR hybrid motor and drag chassis...
1986 Honda ATC250R daily rider fully modded engine, +4 swinger,etc...
1997 Polaris Storm 800 triple, boyesen reeds, dg individual silencers, 240 studs, 123mph on radar...