Fitting a Bob Newby belt drive

I guess you're talking about the cable lever inside the cover of the gearbox?
I seem to recall someone (@dynodave ?) talking about the different "cam" profiles on this lever across the different models of Dominator and Commando.
This profile gives different effective leverage at different amounts the handlebar lever pull.
Cheers
I'm talking about the distance from the lever's pivot on the perch to the barrel, or nipple, on the end of the cable. Triumph used 7/8" I believe. The 'box is a Pre Unit Triumph four speed, but I think the same distance lever was spec'd for a great deal of Triumphs over the many years.

Don't know what Bob spec'd for lift, but my lever's 1-1/6" pivot-to-nipple distance gives about .060" (with very little slack in the cable), which seems to barely get the job done of no drag. But... the lever's pull is pretty stiff.
 
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