Steering head bearings

[pops]

I have a XL500S which I am modifying the front end. My problem is that OD of the bearing is about 1mm less than the ID of the headstock. Can I have a collar made up , or will the wall be to thin?

 

[Groenie]

 

[pops]

 

[grego]

 

[lecap]

 

[motomike]

 

[pops]

 

[lecap]

 

[pops]