surging idle with pcv and yosh slip on. ideas?
2009 gsxr 1000 with bmc race filter, yosh r77 slip and power commander. Motomummy preloaded map. Bike starts runs and has no issues with tons of power. Once bike warms up at idle (180+ degrees) and sits a minute or two the idle will slightly surge up and down. Never stalls or anything just a 100-150 rpm surge like a cammed car.
Ideas? Should I go have bike put on dyno and tuned?
Could it be from not doing the pair valve block off or marble mod on the hose off the airbox?