Honda HSS622 Owner's Manual page 18

*The frame serial number on the products for Europe (ET, ETS, HT,
HTS, EW and LW types) is described on the CE mark label (see
page 12).
Record the frame serial number in the space below. You will need this
serial number when ordering parts.
Frame serial number:
[TC and TCS types]
FRAME SERIAL NUMBER
*
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