F firstlight Member Joined Mar 25, 2005 RO Number 16749 Messages 222 Jan 28, 2006 #1 I have 1993 twin FWC 7.4 mercuiser 7.4 approx. 500 hrs. in salt water. I have stain less steel risers. How long will they last?
I have 1993 twin FWC 7.4 mercuiser 7.4 approx. 500 hrs. in salt water. I have stain less steel risers. How long will they last?