2004 Skidoo ZX Series Service Manual, Page 389Get this manual
Section 08 TRANSMISSION Subsection 02 (DRIVE PULLEY)
Remove retaining screwTo remove drive pulley ass'y andor fixed half from engine, use puller (PN 529 022 400)CAUTION: These pulleys have metric threadsDo not use imperial threads pullerAlways tighten puller by hand to ensure that the drive pulley has the same type of threads (metric vs imperial) prior to fully tighteningTo Remove Drive Pulley Ass'y: Retain drive pulley with drive pulley retainer (PN 529 035 674)Install puller in pulley shaft then tighten
Models with TRA IV Install governor cup extractor (PN 529 035 894) on governor cupTighten Allen screws in crisscross sequenceMount governor cup extractor in viseTighten extractor screwHold fixed half and slighty hammer on extractor screw headFixed half will come off
DISASSEMBLY
Models with TRA and TRA III
1,2, Screw and Ring Gear
CAUTION: Retaining screws must be heated before disassemblyDo not exceed 150C (300F)