Husqvarna TE 250 Workshop Manual page 394

INSTALLING THE DB KILLER
REMOVE THE RELAY
INSTALLING RACING CABLES
"KIT" ASSEMBLING INSTRUCTIONS
Install the 8000 B1546 DB killer (not in the USA - CDN) or 8000 B1306 Spark
Arrester (USA - CDN).
Install the 8000 B1546 DB killer (not in the USA - CDN) or 8000 B1306 Spark
Arrester (USA – CDN) into the 8000B0145 free silencer.
Remove the relays located near the electric fan.
Install the 8000B0146 racing cables.
O.52 Part. N. 8000 B0148 (02-2008)