All refurbished magnetos and dynamos carry my standard two-year warranty. 

Dynamos:-

Ref: D61 E3L, later type with one-piece 'jelly mould' cover, a/c drive, taper shaft, 6v, suitable for BSA A10. (+ve earth but can be changed easily to -ve if required). £210

Ref: D37     E3L, later type with one-piece 'jelly mould' cover, a/c drive, taper shaft, 12v, suitable for BSA A10. (+ve earth but can be changed easily to -ve if required). £270