1983 Ski-Doo Shop Manual, Page 38Get this manual
SECTION 02 ENGINE
SUB-SECTION 02 (277 ENGINE TYPE)
CLEANING
Clean all metal components in non-ferrous metal cleaner CAUTION: Clean armature using only cleancloth
adjust magneto housing puller and puller ring (service tools) as illustrated
DISASSEMBL Y
To gain access to magneto assembly:disconnect engine block connectordisconnect oil injection supply line (if applicable) loosen cylinder cowl bolts remove fan cowl
NOTE: Before disassembling magneto plate, indexing marks should be located to facilitate re-assembly
To remove magneto flywheel retaining nut: