2001 Ski-Doo Factory Shop Manual Volume One, Page 110Get this manual

2001 Ski-Doo Factory Shop Manual Volume One, Page 110

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Section 04 ENGINE Subsection 02 (377, 443 AND 503 ENGINE TYPES)
A01C02A

1 Piston notch 2 Circlip break at o'clock

CAUTION: Circlips must not move freely in the groove a