1999 Ski-Doo Factory Shop Manual Volume One, Page 102Get this manual
Section 04 ENGINE Subsection 02 (277 ENGINE TYPE)
NOTE: Engine must be removed from chassis to perform the following procedures
M8 110 mm 1
CLEANING
Discard all oil seals and gasketsClean all metal components in non-ferrous metal cleaner
DISASSEMBLY
General
To remove drive pulley, refer to DRIVE PULLEY 05-03To remove magneto, refer to MAGNETO 04-05A05C0HA
2,6, Crankcase Half
Heat to 110-120C (230-248F) all around bearing seat on PTO sideInstall puller (PN 420 876 298) to plate (PN 529 024 900) with washer under screw heads and extract PTO side crankcase half no1
1Plate 2Flat washers