Could very well be he's got a lot title bike and the VIN sticker on showing manufacture date. I have a Yamaha Virago 700 V-twin that is an 85 but shows manufacture date on the VIN sticker of September 84. What a pain trying to work my titling issue with it being a barn find with 2.4 miles on it! He honestly may not know the model was manufactured before the model year was actually sold on the market. It could be a pain to title and insure like mine.
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Tom, in Mountain Home, Idaho
2002 GL1800 (Illusion Red) Non-ABS, 128k miles
Retired Air Force
"Audentes Fortuna Juvat"