Stock needles and emulsion tubes wear and cause tuning issues. I use Factory Pro because those parts are upgraded to reduce wear. Nickel plated emulsion tubes and titanium needles. If the six sigma kits aren’t using something similar to reduce wear then I’d be inclined to stick with the FP kits.
Yep, thanks, know all that. Again, just looking to see if someone had first-hand experience with these kits on a carby Monster (or any carby Ducati, really).
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