1983 Ski-Doo Shop Manual, Page 27Get this manual
SECTION 02 ENGINE SUB-SECTION 01 (247 ENGINE TYPE)
CLEANING
Clean all metal components in non-ferrous metal cleaner_ CAUTION: Clean armature using only clean cloth
- With engine cold, remove spark plug(s)Bring magneto side piston at top dead center positionRotate magneto 45 counterclockwise
DISASSEMBL Y
To gain access to magneto assembly, remove: muffler upper column air duct air deflector spark plug cable clamp fan cowl starting pulley pulley spacer NOTE: Before disassembling magneto, indexing marks should be located to facilitate reassembly
- Insert enough starter rope into cylinder to fill it completelyRemove magneto retaining nut
To remove magneto housing (flywheel): use fly wheel puller (service tool) and magneto housing holder (service tool) as illustrated
To remove magneto retaining nut:
Lock crankshaft with magneto housing holder (service tool) as illustratedRemove magneto retaining nut