Yo, sounds like a nice tight DT now.
With regards to Reed modification, if you run the 170 kit and you plan to ride it quite hard more often than not, then some Boyesen Reeds may be beneficial. The standard Reeds might start to flutter at very high RPM runs. But for dicking about and legal riding 😛 Standard intake setup is actually ideal.
Again, running Pre-Mix for an everyday motor is not ideal. And low RPM is lost abit if you want to have a safe high RPM ratio, I find. I always go a little rich. The standard Oil pump is up to it even for the 170 or the 200. But if your a racer, I would defiantly go Pre-Mix, take it all off, plug it off, and never go back.
Love to see some pics