(read the last line first!) I have heard of folks sacrificing a slightly larger torx bit and hammering it in in situations like this...
Another thing I might try is a hacksaw blade or dremel tool to put a slit in that allen and try to back it out with a flat-blade screwdriver -- but if it is torqued hard, you probably won't be able to get it out because the halves will split...
What is that black thing the allen is screwing immediately into -- is it actually threaded -- can it be sacrificed? Is that the engine case behind it? Is that allen actually going into two threaded pieces (that would be strange unless they are separately removable)?
Can you share the instructions for the frame slider? Is that allen like a set screw or something? I'm having trouble imagining it and where the torque is holding the allen...
Or is the black thing a castle nut that you need to back out (screwdriver and hammer?) before you can remove the allen (because it acts like a jamming locknut)???
Another thing I might try is a hacksaw blade or dremel tool to put a slit in that allen and try to back it out with a flat-blade screwdriver -- but if it is torqued hard, you probably won't be able to get it out because the halves will split...
What is that black thing the allen is screwing immediately into -- is it actually threaded -- can it be sacrificed? Is that the engine case behind it? Is that allen actually going into two threaded pieces (that would be strange unless they are separately removable)?
Can you share the instructions for the frame slider? Is that allen like a set screw or something? I'm having trouble imagining it and where the torque is holding the allen...
Or is the black thing a castle nut that you need to back out (screwdriver and hammer?) before you can remove the allen (because it acts like a jamming locknut)???