2006 Arctic Cat DVX 400 Service Manual, Page 30Get this manual
ATV2156
ATV2157
ADJUSTING
2Tighten the four cap screws to specifications (see Section 10) and recheck the chain tensionREPLACING
NOTE: When replacing the drive chain, replace the chain and sprockets as set
To adjust the drive chain, use the following procedure1Loosen the four cap screws on the top of the swing arm; then turn the adjuster nut until the chain has 30-40 mm (1.2-1.6 in slack midway between the chain buffer and the rear sprocket