The 4-digit (e.g. XXYY, week/year) date coding didn't start until 2000. Before that it was two digits for week and a year digit, so 33rd week of probably 1993.
'91 Toyota Pickup
'09 Kawasaki KLR650
'12 Gunnar Rockhound 29
"They say the test of literary power is whether a man can write an inscription. I say, 'Can he name a kitten?'" -- Samuel Butler