because after all these years, I still know doodly* about chains.
So, my 400 adjuster bolts have only about 1/4 inch of space left to let out, but the right bolt head is rubbing the stock muffler. Do I;
1) Just put shorter bolts in there, or
2) Time to replace the chain.
3)?
Also- does an O-ring chain fit in there without mucking up the cases?
*one step below diddly