What year of Yamaha piano model 8334 serial number 3354458?

Serial # 5170737 corresponds with the following piano styles and year of manufacture: Both Upright and Grand Pianos were made in in or around June of 1992. Source: Yamaha Website http://www.yamaha.com/yamahavgn/CDA/ContentDetail/Text_WithCatMenu_XC/0,,CNTID%25253D12173%252526CNTYP%25253DGENERAL,00.html