Damn, look at the vin! Whats with the 'sn' in front of it?
1979 Yellow CT70
1972 Ruby Red CT70K1
1972 Candy Gold 88cc CT70HK1
1981 Tahitian Red CT70
"Serial Number" probably. I'm sure a minor mistake on the owner?
SN=Serial Number.
He also has a BIN on the HKO for 1500.00