That would be a 1969 Model 559 Stencil Deluxe 2, With Series 70 MKI Engine, the starter has been changed, it should have a non-shrouded impulse type starter, the handle bar knobs are also much newer, as this model would have had the older hollow types, and the rear wheels are incorrect, aside form that it looks correct.
Series 70 MKI model 3680 Engine, G3 Carby, No Decompressor, 125cc, rocket muffler, all sitting on the model 559 chassis.
![[Linked Image]](https://www.outdoorking-forum.com.au/forum/uploads/usergals/2013/12/full-5013-13417-sten.jpg)