Skimming over the fiche for a friend's '06 ST1300A (European Direct Sales), I cannot locate a charcoal canister...I don’t think Honda ever built a 49 state non-California model. All ST1300s were CARB compliant.
Honda ST1300A PANEUROPEAN 2006 (6) EUROPEAN DIRECT SALES / ABS parts lists and schematics
✓ Honda ST1300A PANEUROPEAN 2006 (6) EUROPEAN DIRECT SALES / ABS parts lists and schematics ✓ Easy repairs with Honda diagrams ✓ Free access!