fuel injector

So I've long speculated that the old style, single point, Bosch injectors on our bikes were a bit archaic and not optimum for best throttle response and performance... I did clean my injectors previous to installing these; http://www.jt-c.com/product_info.php?info=p47_r1100xx-injector My old...

I was balancing my FI's tonight and the right side is chattering like crazy. What I saw was the idle screw (rock solid) and the butterfly? rotating part with cable just tapping away on it making the noise. I suspect it's time to replace or rebuild or something to both. My bike has 130K on it...

Dyno: Mustang EC997a Conditions: Temp- 72 Bar- 29.74 H20- 29 Bike Specifics: Injectors - Borg Warner 57076 Valves - All "In Spec" (intakes .15-.20, exhausts .25-.30) Throttle Bodies - Balanced with BBS @ 1.5 Turns Out +/-, 1000 RPM Idle +/- Plugs - NGK D7EA, .6mm (.024) gaps Coils...