@Krenop will this do https://www.catalyst-findit.co.uk/index.php?c=d2f5d910014f2842ada1bbc16c273aae&vat=ex&dest=prod&p=128&pid=44-0931&PHPSESSID=r1jmm443jg5cn6a67i8a24p1q7
Or there's this http://www.ebay.co.uk/itm/dt125r-stator-/142027363056?hash=item21117d92f0:g:G4kAAOSwfC9XOXf9
The first one looks like it should fit ? It only picks up a difference in magnetism when the raised part of flywheel passes it.