2007-2008 Polaris IQ Snowmobiles Service Manual, Page 62Get this manual
Maintenance DRIVEDRIVEN CLUTCHES
Belt Deflection Inspection
Too much belt deflection is when the belt is too long or the center distance is too shortThe initial starting ratio will be too high, resulting in performance lossThis is due to the belt rising too high in the drive clutch sheaves upon engagement (A)Not enough belt deflection (B) is when the belt is too short or the center distance is too longThe initial starting ratio will be too lowIn addition, the machine may creep when the engine idles, causing damage to the internal face of the drive belt4The measurement should be 14" (3.2cm)
= In mmBelt Deflection: 1.25" (3.2cm) 5If the measurement is not correct adjust driven clutch