I'm a fan of a tank bag, having many 2 wheel m/c that I was able to get a tank bag. I did a lot of research for the CanAm and didn't find one that fit my needs. Either too small or too large. Found something that works for me and is road tested. I got the Nelson-Rigg Sport Strap Mount Tank Bag and the Nelson Rig suction cup mounting system. Works great! You can still see the GPS and push back on the front of the bag to access the function switches. happy rider here! Wish all issues in life were this simple! 
