This is an interesting Thread I might be able to add a little experience to. I just traded in my 2012 RT Limited with 55,400 miles on the clock, for a new, left over RT Limited SE 6. I had 47,000 miles worth of shaking, wandering , to both right or left, with my 2012, and never had it Laser alligned, because my Dealer said the Factory method of allignment was acceptable, and they would not invest in the ROLO Laser System. After wearing out my first 2 sets of front Kendas on the inside at 12-13,000 miles each, I started using Bridgstone car tires, and increased the pressure from 15 lbs. to 25 lbs. which made a world of difference in handling and on the corners, but they still were wearing on both insides . On tne rear tire, after only getting 8300 miles on the Kenda, I started using the Khumos that gave me 15,000 miles. I was on my third Khumo that had 8000 miles on it when I traded. Now, here is an important point. I finally caved in, and got my 2012 Laser Alligned by Star City Power Sports in Roanoke, Virginia, at 47,000 miles on the clock, and what a difference in handling! My front Bridgestone tires were already worn real badly on the insides, but started correcting immediatly, by wearing normal, but I kept getting DPS Limp Mode Nanny Alerts while the new toe in setting kept fighting the previous wear angle, but after a couple of thousand miles, the DPS check alert quit, and by the time I traded the 2012, it handled great, with no further vibration, shaking, wandering, all because I was too stubborn to get the ROLO Allignment, because my former Dealer didn't recomment doing it. Now, fast forward to my 2016. I had the Laser Alignment done on the 2016 and had the front wheels spun balanced before I took delivery. But I still had a bad vibration between 50-65 MPH. So, my Dealer took it back in, and rechecked the Toe in, and reset it, and it has improved, but the vibration and shaking is still there around 60 MPH. My Dealer test rode it, against another new Demo RT, and said they both feel the same. So, I believe the Dealer has done all they can, so I will live with it . The tires are all Kendra, and are most likely the problem. The fronts have 20 psi and the rear had 30 psi in them. When I replace them, I will replace with the same as I did on my 2012, i.e. Bridgestones in tne front and a Khumo on the rear. The 2016 tracks straight, and handles fairly well, but not as well as my 2012 did, after all of the adjustments and tweaking. Hope this might help those who are still resisting the Laser Alignment. It DID make a world of difference on my Spyders.
