Originally Posted by Colorado4Wheeler
I installed a Acerbis 4.2 yesterday. Went in with zero issues. It has dual petcock so it emptys fully from both sides. I thought I had a issue with the tank hitting my riser bars but then I noticed the previous owner had put the adapter blocks on backwards. Once I revesed them to the right spot I had full lock with not hitting on the tank.
Just a heads up, I beleive the Acerbis will only fit the E model, not sure but would be worth investigating before purchasing for an S or SM