I had a heck of battle changing the rear tire to a (190/50zr17) Bridgestone S22. I noticed after I was done that in the service manual it says do to the tightness of the bead it can not be change with hand tools. I wish I had read that.
anyway…got tire off, difficult but did it, took long time to walk bead back off tire (scratched the inside of the rim up). But the real problem was with seating the beads. The tire would always try to seat on one side first, and then the last spot would be stretched and distorted and pulled down into the well of the rim…no amount of air pressure or lube (used many things..armor all was best) at that point could get the bead up and out of the well, on top, over the hump in the seat. It was like it was hitting a wall..well it was Hitting a wall.
I eventually got the idea to wrap a thick cotton rope around the rim between the lip of the tire and rim, keeping the tire from seating and this not able to pull one side into the well of the rim. This did it, allowed the tire to evenly get up on the hump…then let the air out (had valve stem out) pulled rope out and then everything fully seated with air the second time. (Well the hundredth time by that point). I also had left tire out in sun for 2 hours…but that did not help until the rope trick.
If that had not worked, I was ready to drive the 70 miles to the nearest motorcycle shop and throw them all the money they wanted to do the job. Any rate….pretty sure next time I will leave the tire changes to the professionals. I will pay them what ever they want for the tires, and install.
Is it the low sidewall, the stiff tire, made super tight by design for the power? Are other motorcycle tires this tuff?
The front tire was much easier…but still left me and my wheel bruised.
anyway…got tire off, difficult but did it, took long time to walk bead back off tire (scratched the inside of the rim up). But the real problem was with seating the beads. The tire would always try to seat on one side first, and then the last spot would be stretched and distorted and pulled down into the well of the rim…no amount of air pressure or lube (used many things..armor all was best) at that point could get the bead up and out of the well, on top, over the hump in the seat. It was like it was hitting a wall..well it was Hitting a wall.
I eventually got the idea to wrap a thick cotton rope around the rim between the lip of the tire and rim, keeping the tire from seating and this not able to pull one side into the well of the rim. This did it, allowed the tire to evenly get up on the hump…then let the air out (had valve stem out) pulled rope out and then everything fully seated with air the second time. (Well the hundredth time by that point). I also had left tire out in sun for 2 hours…but that did not help until the rope trick.
If that had not worked, I was ready to drive the 70 miles to the nearest motorcycle shop and throw them all the money they wanted to do the job. Any rate….pretty sure next time I will leave the tire changes to the professionals. I will pay them what ever they want for the tires, and install.
Is it the low sidewall, the stiff tire, made super tight by design for the power? Are other motorcycle tires this tuff?
The front tire was much easier…but still left me and my wheel bruised.