1986 Ski-Doo Factory Shop Manual, Page 84Get this manual
Quality of the image is intentionally reduced!
Saction 02 ENGINE Sub-section 04 (447 ENGINE TYPE)
.OS mm t0031") ,05 mm (.0020") .20mm L0079")
10 mm 1.0039") ,11 mm
NOTE: The letters "AUS" {over an arrow on the pist