Hi
Im in the middle of giving my engine a good overhaul, and there is one bracket i am unable to figure out how to remove.

The bracket holds the trigger sensor pointed towards the flywheel, and there is a bracket there which i want to take of to clean and have zinc plated.

But the bolt heads are round=?!=!







How do i remove them?

 

I think it's just dirt, try to scratch it out carefully without damaging the inner allen head

 

The picture got a bit blurry, bit i did scrape as i also was thinking there was a torx or allan head.
Hmm.. ill have a new look

 

Looks like there is something from the backside, I would check it also