2004 Ski-Doo REV Series Factory Service Manual, Page 331Get this manual
Section 08 REAR SUSPENSION Subsection 04 (TRACK)
TRACK TYPE APPLICATION
Refer to TECHNICAL DATA
ADJUSTMENT
Track Tension and Alignment
Track tension and alignment are inter-relatedDo not adjust one without checking the otherTrack tension procedure must be carried out prior to track alignment
GENERAL
This section gives guidelines for track removalSome components require more detailed disassembly proceduresIn these particular cases, refer to the pertaining section in this manual
Tension
NOTE: Ride the snowmobile in snow about 15 to 20 minutes prior to adjusting track tensionLift snowmobile by rope, chain or lift strap hooked to rear bumperAllow the rear suspension to fully extend and check gap half-way between front and rear idler wheelsMeasure between slider shoe bottom and inside of trackThe gap should be as given in SPECIFICATIONSIf the track tension is too loose, track will have tendency to thumpNOTE: belt tension tester (PN 414 348 200) may be used to measure deflection as well as force applied