Main Motorcycle: Bonneville T100, 2006
Join Date: Nov 2010
Location: Ontario, Canada
|Air Cooled Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, T100, Speedmaster, America, Thruxton, and Scrambler.
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With 42's mine ran great at 1 1/4 to 1 1/2 turns, no shims, and that was on a dyno, not guessing with me arse. At 2 1/4 turns, I smell raw fuel.
Just my personal experience.
... by mid-range, I take this to mean better acceleration in higher gear at higher speeds, right?? - this is precisely what I'm looking for
I'm not exactly sure what you mean by "bottom end" though ....
Presuming you have the correct size mains, with NBZT needles, as a general rule, shims should not be necessary.
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