Code 1,2,3,4 ! what do they mean?

[Chili Dog]

When you buy a bike with a code 2 or 3 or 4. what does that mean, what concequences are there from a point of view of registering and insuring the bike?

 

[Martyn]

 

[Beebop]

 

[Chili Dog]

 

[Dirt Junkie]

 

[superten]

 

[Smuggy]

 

[BryanOC6]

 

[Heimer]

 

[Just Blip It!]