1986 Ski-Doo Factory Shop Manual, Page 160Get this manual

Section 02 ENGINE Sub-section 07 (503 ENGINE TYPE)
COOLING SYSTEM

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65 N.m 148 IbfU

7Fan housing

2Locking ring 3Shim 1.0 mm (2) 4Ball bearing (2! 5F,m shaft

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives