Husqvarna TE 250 Workshop Manual page 385

Loosen the block holding the speed sensor cable onto the left rod protection.
Disconnect the speed sensor connector by pushing the holding tab by means of
a sharp tool.
Gently loosen the sensor from the brake calliper support.
Make sure to avoid twisting the electric cable.
Remove the two bolts holding the handle bar clamps.
Disconnect the digital instrument and key lock connector and remove the metal
plate.
Part. N. 8000 B0148 (02-2008)
"KIT" ASSEMBLING INSTRUCTIONS
O.43
REMOVING THE SPEED SENSOR
REMOVING THE INSTRUMENT SUPPORT PLATE