Welcome to the site...you have two MT-a1 half fairing cags...Both are 43cc looking at the head fins....
The yellow bike is newer most likely 2010/2011 and has more restrictors on it than bike #1 due to stringent EPA regulations that need to be removed/addressed........It also has a much thinner walled steel frame.......
Theres ways to mod the clutch to work pretty much flawless,,Leaving the clutch un blueprinted will lead to frequent spring changes..........The hp clutches are mpore problematic than help,,,stick with an aluminum stock 3 shoe clutch and mod it for more take off rpm grab...
Good luck with them.............
The yellow bike is newer most likely 2010/2011 and has more restrictors on it than bike #1 due to stringent EPA regulations that need to be removed/addressed........It also has a much thinner walled steel frame.......
Theres ways to mod the clutch to work pretty much flawless,,Leaving the clutch un blueprinted will lead to frequent spring changes..........The hp clutches are mpore problematic than help,,,stick with an aluminum stock 3 shoe clutch and mod it for more take off rpm grab...
Good luck with them.............