[kroberts]

According to the manual, idle speed is only adjusted with the bleed screws, not throttle cables. Unfortunately you do sorta need a twinmax or some other sync device. 1700rpm is waaay high. I'd be curious to know how far out yours are turned. Mine are a bit over 1.5 turns out from closed and my bike idles at about 1250-1300.

Gently close them both and run them out 1.5 turns each...then go buy a Twinmax.