2006 Arctic Cat DVX 400 Service Manual, Page 18Get this manual
MufflerSpark Arrester The muffler has spark arrester which must be periodically cleanedAt the intervals shown in the Periodic Maintenance Chart, clean the spark arrester using the following procedure
GasVent Hoses
Replace the gas hose every two yearsDamage from aging may not always be visibleDo not bend or obstruct the routing of the carburetor vent hoseMake certain that the vent hose is securely connected to the carburetor and the opposite end is always open
! WARNING
Wait until the muffler cools to avoid burns
1Remove the three Allen-head cap screws securing the spark arrester to the muffler; then remove the spark arrester
Adjusting Throttle Cable
To adjust the throttle cable free-play, follow this procedure1Slide the rubber boot away; then loosen the jam nut from the throttle cable adjuster