Brett,
Sorry, no – those specs are for the prevo QS and QD carbs, the rules for the Evo XS carbs are:
Specific regulation for Dellorto VHSB 34 XS
Carburetor slide shows digits “45” in casting.
Jet needle must be stamped with “K57”.
Two floats marked “4,0 gr” are legal to be used only
Idle has to be stamped with “60”.
Idle emulsion tube has to be stamped with “45”
Needle jet Stamped with ”DP267” Total length: 51,0 +/- 0,3 mm Length of bottom section: 33,0 +/- 0,2 mm
Carburetor insert must show stamping “12,5”
Bruce