Look forward to that!
The GSXR (750) is supposed to offer a more 'natural' seating position too, where you are not having to lean so far forward on the handlebars (that classic Sport bike position) - so useful for anybody with back problems.
I'm in a similar scenario where I don't have masses of motorcycle expertise (considering the relatively short time of ownership), however am happy to troubleshoot faults / get my hands dirty with intermediate work if I can (another enjoyable element to owning and riding bikes).
It's seems simple, but there's that intangible quality that is so elusive. My '15 S.E. 636 is the first Supersport I've owned, my previous bikes were litre Superbikes. One of the very first notable (& noticeable) differences are litre bikes have a longer wheel base than SS bikes. Thus, allows the rider to "sit in"
the bike as "sit on"
the bike. These differences contribute mightily in why their respective riding styles are so different,
. But, is it really all that different? Yes it is!
So, when I first purchased my ZX my modifications revolved around making the bike fit me
! And not the other way around. one ought to remember these bikes were engineered for smaller Japanese riders, and not more hefty Euro-North Americans. The very first thing I did was install Rizoma fully adjustable
rearsets; these not only adjust forward/backward, and up/down, but their respective levers adjust for the size of one's foot, I then installed Woodcraft folding pegs, so they don't snap off in a fall.
Next up were SpeedyMoto adjustable Omni clip-ons with angled bars . Fully adjustable bars give up to 10 degrees of drop. Clip-on body has an additional 20mm of rise to optimise the ergonomics. 2-Piece design allows easy installation (and suspension adjustment!) with no need to remove the upper triple clamp. Because the bar end closest to the clamps are angle 14 degrees (works a bit like a cam), the bars can be rotated in a 360-degree range: down & back, down & forward; flat & back, flat & forward; up & back, up & forward - all to infinite degrees. https://www.speedymoto.com/products/...table-clip-on/
Then naturally I opted for a double bubble windscreen (smoke). I had a ZG on the 636 which I liked well enough, I now have a Hotbodies db, and it is OK... it is not up to ZG or Puig specs. There's a bit more torquing & push-pull going on to align the mounting holes with the Hotbodies.
And the last crucial piece, I feel, is a new saddle. I went with Zero Gravity because I've always liked the quality of their db windscreens. When I fist got it I as a little suspect about the quality of the fabric they used - too thin. But it was more comfortable than O.E.M. In hindsight I should have returned it. I maybe I ought to have tried a Saddlemen saddle. I wound up tearing the fabric in three locations just by scuffing them with my boot, they were not huge tears, but for the cost it should not have ever torn. So, I was left with a dilemma: go back to my uncomfortable stock seat, or recover the ZG seat. I went with the latter, and now have a totally custom gel seat.
Now, I ride for days at a time, spending up to (& sometimes over) 8-hrs in a day, for weeks at a time. It takes time and money to alter one's bike to suit their physique. Trying to change the rider to conform to the bike will never result in a totally satisfactory result in the long run. (In the spirit of transparency, I also did the same things with my previous litre bikes, too).