2017 Yamaha Sport Boat Models Where can I find my model number? RP1800A-S RP1800A-S (F4B1) [020] RP1800B-S RP1800B-S (F4B2) [020] RX1800A-S RX1800A-S (F3AV) [020] RX1800B-S RX1800B-S (F3AW) [020] XBT1800A-S XBT1800A-S (F3R1) [020] XBT1800B-S XBT1800B-S (F3R2) [020] XBT1800C-S XBT1800C-S (F3R3) [020]