1996 Ski-Doo Shop Manual, Volume 1, Page 82Get this manual
Se ion 04 ENGINE Sub-Section 01 (247 AND 277 ENGINE TYPES)
4,5, Nut and Cylinder Head
Position cylinder head on cylinder with fins in line with crankshaft center lineCross torque retaining nuts to 21 Nom (15 Ibfoft) for 247 engine type and 26 N-m (19 Ibfft) for 277 engine type
7, Locking Tab
Locking tab should be replaced if bent more than timesIf in doubt replace