2005 Ski-Doo RT Series Shop Manual, Page 233Get this manual
Section 06 DRIVE SYSTEM Subsection 05 (BRAKE)
NOTE: In case of switch body breaking during the unscrewing activity, act mechanical restoring the threads on master cylinder seat and then go on with the installation procedure
Installation
NOTE: The brake light switch is not adjustablePut the switch on the seat, rotating it only for or 1.5 turnsPut one drop of Loctite 609 (PN 413 703 100) on the free switch threadsScrew the switch by hand until it is in correct positionFor safety reasons, check the activation of the switch by pulling the brake leverIn case of no switch activation, repeat all the procedure replacing new switchNOTE: If parking brake release during the mounting operations, set the master cylinder in sloping position (with lever on the top) and hold the master cylinder lever for 34 timesReinstall the master cylinder on the handlebar taking it in horizontal position avoiding the risk of glue contamination for the switch rodRelease the parking brakeWait 24 hours to allow glue to setRecheck if switch is working properly