As I am seriously considering fitting a 170/60 rear tyre, I thought I would email Yamaha on the subject. Here is what they replied:
"Thank you for your email, in relation to your Yamaha MT-07.
We can advise, that we can only recommend the tyres sizes as stated in your Owner’s Manual, which...
I have just fitted an Evotech version. Easy to fit, and very smart and it takes away the one ugly element of the bike.- the big silver radiator. The previous owner had a few stones damage it but not fatally.
I am no wild child on my bike but I usually lean myself a bit into corners. But now that my rear tyre is squaring off, I am wondering if I should have remained more upright and let the tyres wear more on the edges. What do you think?
I have been very happy with the general design of the seat - shape, size and orientation, but it does seem to lack some foam. I have made an additional padding unit of neoprene foam and neoprene sheet as an experiment. I have mainly given extra support to the 'sit' bones. It seems to work static...
Just few pence: a ferrule intended for a walking stick but ideal at 1" size to protect the bar end in a drop. Have to keep a gap on the right hand side to ensure no interference with the throttle.
I have been around here for some time, and today my MT-07 landed. Could not be happier about that. Was not sure that I should do it at my age but I DUNNIT! 2014, grey, a beauty, and it runs so smoothly after my (loyal) MT-03. As expected - this is going to be FUN.