Missing one little thing....
#1
#2
Short term you might get by.
Long term, I would be concerned with the cover warping, at sustained,
high-temp riding. It might make a difference where in the pattern, the broken bolt is.
Hopefully, Demon, Conrice, IDoDirt, or one of the other gurus,
can give a more definitive answer.
Personally, I wouldn't take the chance. If it were my bike, I'd drill it.
Start with a small bit, to get a good indexed square hole in the bolt.
Gradually increase the size, till you're almost removing threads.
Use an extractor to back out what's left.
Re-tap the hole, with a blind/bottom tap, to clean the threads.
Use grease with the tap!! Clean up with solvent, finally blow it out with compressed air.
Then, re-install the cover with the replacement bolt.
If you take your time, it's not a particularly, difficult task.
Hope this helps, Ern
Long term, I would be concerned with the cover warping, at sustained,
high-temp riding. It might make a difference where in the pattern, the broken bolt is.
Hopefully, Demon, Conrice, IDoDirt, or one of the other gurus,
can give a more definitive answer.
Personally, I wouldn't take the chance. If it were my bike, I'd drill it.
Start with a small bit, to get a good indexed square hole in the bolt.
Gradually increase the size, till you're almost removing threads.
Use an extractor to back out what's left.
Re-tap the hole, with a blind/bottom tap, to clean the threads.
Use grease with the tap!! Clean up with solvent, finally blow it out with compressed air.
Then, re-install the cover with the replacement bolt.
If you take your time, it's not a particularly, difficult task.
Hope this helps, Ern
#3
#4
Do you have enough sticking out to get vise grips on it?
Otherwise, to drill it you will need to file a flat surface to drill on. Then center punch a spot in the center to help the bit stay centered. Start small and go slow until you get to the correct size for a screw extractor.
If an extractor doesn't do it, keep drilling until you get all the bolt out and run a tap to clean up the threads or keep going a little bigger and install a helicoil.
Otherwise, to drill it you will need to file a flat surface to drill on. Then center punch a spot in the center to help the bit stay centered. Start small and go slow until you get to the correct size for a screw extractor.
If an extractor doesn't do it, keep drilling until you get all the bolt out and run a tap to clean up the threads or keep going a little bigger and install a helicoil.
#6
#8
#10