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Old 26-04-2020, 11:18   #1
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Clanking noise - Yanmar 2YM w/sailldrive

Any suggestions for cause of a "clanking" noise from Yanmar 2YM with SD 20 saildrive -- most audible at low RPM ?? The Centek muffler was suspect yet nothing was found -- no baffle within. This engine is ten years old and may have 10 hours annually or say 100 hours total. At 2000 hours, the manual suggests replacement of a cone clutch and a flexible mount and annual inspections of each -- which may have not been done. The exhaust elbow was new 2 or 3 years ago and I've pulled that off too., and found nothing suspect there.
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