2006 Ski Doo REV Service Shop Manual, Page 384Get this manual
Section 08 DRIVE SYSTEM Subsection 08 (TRACK)
TRACK Profile height Track length MODELS GSX (fan-cooled) 22 mm (78 in) and 25.4 mm (1 in) 3.07 (121 in) MX-Z (fan-cooled) GSX MX-Z GTX 3.45 (136 in) MX-Z Summit (fan-cooled) GSX (fan-cooled) 3.07 (121 in) 31.8 mm (1.25 in) 3.45 (136 in) MX-Z (fan-cooled) GSX MX-Z Expedition (fan-cooled) GTX MX-Z Summit (fan-cooled)
FRONT PROTECTOR NA NA NA NA NA NA NA NA NA Standard Standard NA Required Standard NA