2001 Ski-Doo Factory Shop Manual Volume One, Page 101Get this manual
Subsection 02
Section 04 ENGINE (377, 443 AND 503 ENGINE TYPES)
377, 443 AND 503 ENGINE TYPES
ENGINE REMOVAL AND INSTALLATION
S-Series 377, 443 and 503 Engine Types
377 engine type Some engines
Super Lube
Super Lube