[skidlids]

Get the marked out items to me Tonio and i'll do them on the bandsaw at work, same as I did mine.
If you use a 916 style rear brake mount off the engine cases adapting rearsets becomes easier.
As allloy is a soft material compared to some do not use a grinder. Its best to use a coarse cutting blade and a proper cutting fluid. As Fordie says a Jigsaw with the right blade will do the job.
Also use a coarse file when dressing the edges.