1984 Ski-Doo Shop Manual, Page 75Get this manual
SECTION 02 ENGINE SUB-SECTION 04 (447 ENGINE TYPE)
ASSEMBLY
21,23, Pistons and circlips
At assembly, place the piston over the connecting rod with the letters" AUS" (over an arrow on the piston dome) facing in direction of the exhaust port
EXHAUST
To minimize the effect of acceleration forces on circlip, install each circlip so the circlip break is at 0' clock as illustratedRemove any burrs on piston caused through circlip installation using very fine emery cloth
1L.0_ _-O _O.Jj No1,2, Nutsdistance nuts
420 876 171 tool
Position nuts and distance nuts as illustrated