I am curious if it needs adjustment. My memory is not good, but of the few posts I remember reading about the results of performing a throttle body sync, nobody has ever found them to be enough out of sync to need adjusting. We probably should have thrown up a poll about it (what mileage, did it need adjustment or not). I vaguely remember the procedure on my ZRX with my friend using some kind of vacuum mercury gauge and it never needed adjustment on that bike either (and that was a pretty old tech at this point, even had carbs). I suppose if you have the tools and time (and the manual does call for it), and have everything apart (especially when checking valve lash) it is worth doing just to make sure things the throttles are not out of sync. Do let us know what happens with yours
Yeah I get what you're saying but to me, it's like getting a colonoscopy. Not something I look forward to but knowing it's done and all clear is a weight lifted off. I may be weird
but I actually like working on my bike and knowing it was done right. Fred Harmon's videos make it so much easier to accomplish I have a manual but they are visual and the pictures in the Kaw manual don't work well for me.
My engine was (at times) surging at idle and it was bugging me to get the TB Synch checked. If you look at his videos there was quite a difference about 10-15 between bank one (cyl 1-2) and bank two (cyl 3-4) and about ten between 1 &2 and ten between 3 & 4 respectively. IDK that it make a huge difference but I'm going to give it a try and for what I have invested in it, it's less than half the cost of what the dealership would have charged me to rubber-stamp it as "fine"
As far as comparing this procedure to the valve check, Not even close especially in time needed. I had my bike torn apart for several day as I couldn't work full time on it and just getting the correct shim sizes was darn near impossible. I had to wait for them to come and then, somehow (Brainfart) the inboard #4 cyl intake valve was wayyyyyy off upon reassemble so off goes that cam and all its allocated fasteners just to remeasure one stinking valve! getting that chain to match the marks and stay in position was an absolute nightmare (for me).
If you can do a valve adjustment you can do this too!