1986 Ski-Doo Factory Shop Manual, Page 66Get this manual
Quality of the image is intentionally reduced!
Section 02 ENGINE Sub-section 03 (377 ENGINE TYPE)
,08 mm (0031"1 .05 mm (0020") .20mm (,0079") 20 mm 1.0079") 1.0 mm
N.OTE: The letters "AUS" (over and arrow on the piston domel mu