2007 triple 250

[lt wells]

lost all data to multi gauges

[boats.net]

Do you have Command link gauges or Yamaha Mutifunction gauges?
Check wiring to gauges and inline fuses on power leads.

[lt wells]

they are command link on a grady white 360 express

[boats.net]

Check the power lead between ignition switch and hub, check that all pigtail bus wires and main bus wires are connected.