2004 Ski-Doo REV Series Factory Service Manual, Page 259Get this manual
Section 06 TRANSMISSION Subsection 05 (BRAKE)
Installation
Push pistons all the way in to allow caliper installation over brake discInstall the Banjo bolt no7 with two new sealing rings no8Fasten caliper on chaincaseDo not forget to install and fold locking tab over caliper boltFill the brake system and bleed itRefer to BLEEDING in this sectionThe brake disc no10 must be centered in caliperApply brake then check for proper brake disc positioningPush on appropriate caliper piston in order to move pad inward allowing proper brake disc positioning