Husqvarna TE 250 Workshop Manual page 377

"KIT" ASSEMBLING INSTRUCTIONS
Cable routing the instructions to mount the racing cables racing (TE-SMR)
INTRODUCTION
Using the racing cables automatically implies the modification of the central unit mapping, thus operating the vehicle at full power.
A vehicle equipped with racing cables should not be used with a catalysed silencer since this would prevent obtaining top performance
levels and damage the catalysts.
If the racing cables are implemented, the fall sensor cannot be used.
The injection system is enabled/disabled by means of the red button of the right switch on the handlebar; make sure that it is in the "off"
position when the vehicle is not used for long periods to prevent the battery from running low.
The vehicle cannot be used without battery under any circumstances: do not remove the battery.
If the battery is removed/disconnected while the engine is running, the injection system is damaged seriously; do not attempt to
disconnect the battery.
The racing cables are not designed to supply the functions provided by the digital dashboard of the vehicle.
PARTS:
Lambda sensora plug 8000A7724
Lambda sensora plug gasket 8000A7749
Part. N. 8000 B0148 (02-2008) O.35