YMMI (Yamaha Music Manufacturing Indonesia), Made in Indonesia, 1990-1996: ########.
The second and third numbers are the month; March (03).
03=year 08=month 09173= the number guitar made that year which sounds possible. As far as records, They seem to get sketchy when you deal with overseas made guitars.
Once again it seems to have happened to several companies who farmed their budget lines out to asia and japan.
(Their numbering system began with “H” for 1.) The second letter indicates the month.
Made in Japan, 1989-2002: Letter-letter-letter-letter-###, like so: SKJL321. The last three numbers represent order of production on the day the guitar was made. ” To you folks, we offer the following: Several other serial number configurations used by Yamaha over the years. Example: hm02316 = the 316th unit made on June 2 of 1961, 1971, 1981, 1991, or 2001. If you still can’t figure it out, please see Yamaha contact info at the bottom of this page. Tenryu/Wada Factory, Made in Japan, 1969-1984: ######. Some things are very obvious such as non-original or reconed speakers, non-original transformers, replaced pots, re-tweed, re-tolex, re-grill, etc.and these changes are often disclosed and of a non-malicious nature.
and does the pickguard have 11 screw holes around it?