tire choose help

I imagine I'm starting to drive you all nuts with my constant questions but I want to be sure I'm getting the correct tires for this bike. it's the 1982 Yamaha XS650 Heritage Special with the spoked inner tube tires. What are the sizes and does anyone have a link to something they suggest? I...

I am looking into what rear tire to get next, and wonder if 120/90 is actually a better choice than 120/80, as it raises gearing between 3 and 4 percent, or slightly more than 1 tooth less on the rear sprocket. Is there any disadvantage to a 120/90 vs 120/80 that I am unaware of? I already have...

Hey guys, I'm in the midst of a cafe project in which I'm swapping a 650 front end on to a 400. One of my complaints with the 400's stock front tire size was that there isnt nearly enough tread for an aggressive lean (I've already chirped it in a corner or two). I was wondering what you guys are...

Hi guys, I need some help. I cant find good description of tire sizes. I have an Xs 650 tipe 447 from 1977 with 18 rear and 19 stock wheels. I want to leave them without modifing anithing. So i want to stay in original.But! I want to install the fattest tires to the front and rear too. I ám...