JR2: Guitar Specifications and Dimensions. Its compact size and authentic acoustic tone make the JR2 and excellent take along, play anywhere guitar… This guitar actually is a ¼ length of the full-size guitar. The Yamaha JR2 junior-size acoustic guitar is not a full-size guitar, as you could already suspect. We offer a wide selection of Yamaha Guitars. EMS ASK ASK ASK ASK. Scale Length- 540mm (21 1/4") ... * Measured from the center of one bridge pin to the center of the next bridge pin. Buy yours today and receive free shipping and the lowest price, guaranteed. In addition to that, the Yamaha JR2 is … We offer a wide selection of Yamaha Guitars. USD50.00 USD70.00 USD80.00 USD90.00. The Yamaha JR2 3/4 scale acoustic guitar is a compact acoustic guitar modeled after the long selling Yamaha FG series. Body Shape- FG Junior Original Shape. Buy yours today and receive free shipping and the lowest price, guaranteed. (2)EMS (ASK). 3/4 Scale Folk Guitar Natural. ... JR2: Guitar Specifications and Dimensions - Yamaha … A steel string mini folk guitar with the motif of the "FG" series, which represents Yamaha guitars.