Very interesting. Upon further review my jet kit which I paid plenty for years ago seems to not have come with either pieces...all of the various jets/needles are present but the red + and the correct 'Y" were never in the kit. My stock pieces are in place and the bike runs very well. I do have a little hunting at 4K steady throttle otherwise it is snappy and maybe just a tad rich..but it runs well. I think the key here is we all know what is "supposed" to be in the bike regarding these HRC jet kit pieces but nobody (everyone but Andy) really knows what they do or how imporant it is if you DON"T have the correct pieces...TIA
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'93 MC21 250sp Repsol "Doohan"