2004 Skidoo ZX Series Service Manual, Page 152Get this manual
Section 04 ENGINES (2-STROKE) Subsection 03 (ENGINE LEAK TEST AND MEASUREMENT)
Check weep hole below coolant pump housing with soapy water
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1Weep hole
If there is leak, it indicates that pump shaft is defective (oil seal beside coolant ceramic seal) Leaks can be also on oil pump sideCheck mounting area for leaks
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