2003 Ski-Doo REV Series Factory Shop Manual, Page 130Get this manual
Section 04 ENGINE Subsection 04 (CDI SYSTEM)
NOTE: The following procedures can be done without removing the engineCDI means Capacitor Discharge Ignition System
CLEANING
Clean all metal components in non-ferrous metal cleanerCAUTION: Clean stator and magneto using only clean cloth
DISASSEMBLY
3, Magneto Flywheel
To gain access to magneto assembly, remove the following parts as needed on different engines: tuned pipe and muffler rewind starter starting pulley no2To remove magneto flywheel retaining nut no1: Use magneto puller ring (PN 420 876 080)Former puller must be modified as shownA06E22B
TYPICAL 1Tab in magneto housing opening 2M8 screws
Remove magneto flywheel nut and lockwasher, using 30 mm socket machined to 40 mm (1.580 in) outside diameter by 16 mm (58 in) longNOTE: To correctly remove threadlocked fastener, first tap on the fastener to break threadlocker bondThis will avoid thread breakageA 420 876 080