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View Full Version : Mercrusier 30 liter Exaust flappers



denithorne
04-25-2006, 11:03 PM
How many flappers do i have? Iknow there is one in the exaust tube under the riser is there another I need to change ?1989 merc 3.0 liter barrel type riser

scott s.
05-01-2006, 12:56 PM
just the one

denithorne
05-02-2006, 10:08 PM
thanks Scott.