Chuck59 Posted February 15, 2016 Report Share Posted February 15, 2016 I own a 2003 Redfisher 16 and have a question about cavitation. The boat is powered by a 2003 Yamaha 90 2 stroke. When I turn, the prop spins and it feels like I have an air pocket until I straighten up. This happens at any speed once I'm on plane. Any thoughts on how to remedy this? Should I try a different prop? My prop is the Yamaha stainless prop that came with the motor.(I ***ume. I am the second owner). My second question involves a 2001 Redfisher 16. A friend of mine owns the boat, and he asked me to write and see if anyone has experienced a mystery water leak. he has removed and resealed the engine mount, trim tabs and "cheese grater"/ The leak persists. Any comments or thoughts would be appreciated. Thanks Link to comment Share on other sites More sharing options...
lurem Posted February 15, 2016 Report Share Posted February 15, 2016 If your friend is close try swapping props and retest each boat. Some props are better than others at gripping while turning. On the mystery leak look at the suppers on either side of the hull. They have a PVC pipe inserted in the hole that is sealed with silicone sealant. Over time the sealant dries up or shrinks and water seeps in and slowly fills the bilge area. Link to comment Share on other sites More sharing options...
2000 RF 16 Posted February 16, 2016 Report Share Posted February 16, 2016 What are the numbers on the prop you are using My 16 likes a 13 1/2 x 15 Link to comment Share on other sites More sharing options...
MCole Posted February 17, 2016 Report Share Posted February 17, 2016 I used 5200 on the suppers issue over a year ago and have had no problems since Link to comment Share on other sites More sharing options...
Chuck59 Posted February 17, 2016 Author Report Share Posted February 17, 2016 Thanks. I will tell my friend and report on the results Link to comment Share on other sites More sharing options...
Chuck59 Posted February 17, 2016 Author Report Share Posted February 17, 2016 I will check my size and get back to you Link to comment Share on other sites More sharing options...
Chuck59 Posted February 22, 2016 Author Report Share Posted February 22, 2016 Thanks for the responses. The scupper drains were the problem. Link to comment Share on other sites More sharing options...
16bayfisher Posted February 23, 2016 Report Share Posted February 23, 2016 How exactly do you reseal the scuppers? Link to comment Share on other sites More sharing options...
MCole Posted February 23, 2016 Report Share Posted February 23, 2016 I removed the SS covers cleaned with acetone and filled all cracks with 5200 Link to comment Share on other sites More sharing options...
Nehrke Posted February 23, 2016 Report Share Posted February 23, 2016 I have a new to me 2002 Redfisher, and I tried this recently with silicone caulk. Still having some issues, as I see water in the bilge, and sometimes leaking in around the plugs in the scuppers. When you say cracks, do you mean the gaps around the PVC inserts? As when I did it last time I pulled them out and smeared silicone on the outside of PVC, then slid back in. Should I just be focusing on the gap between insert and boat? I appreciate the help - Nehrke Link to comment Share on other sites More sharing options...
Funky Monkey Posted February 23, 2016 Report Share Posted February 23, 2016 Happy Made-It-Through-Monday, Chuckles!! We've been runnin' 4-blade semi-cleavers on that little rig for a number of years with excellent success, Chuck. It offers great grip, holeshot, and handling, while still retaining a decent turn o' speed. What's not t'love?!?!?!?! :laugh: I'd be deeeeelighted to chat with you about proppin' 16 Reds, if you'd like, m'friend!!! :content: Just call me any ol' time, dudeski. I sure enjoyed that Miami skyline, gals'n'guys! It surrrrre was purty! It made that lonnnnng water taxi wait almost palatable! Have a teeeeeeeeeeeeerrific evenin', everybody!!! Marcus The Back-From-Miami-Half of the Hydrodynamic Duo :cool: Oh, yeah, 318-688-1970, ext. 241. :blush: Link to comment Share on other sites More sharing options...
RipTide Posted February 24, 2016 Report Share Posted February 24, 2016 I have a new to me 2002 Redfisher, and I tried this recently with silicone caulk. Still having some issues, as I see water in the bilge, and sometimes leaking in around the plugs in the scuppers. When you say cracks, do you mean the gaps around the PVC inserts? As when I did it last time I pulled them out and smeared silicone on the outside of PVC, then slid back in. Should I just be focusing on the gap between insert and boat? I appreciate the help - Nehrke First mistake was using silicone. 4200 or even 4000 UV is better than silicone when dealing with these types of issues. Remove, clean thoroughly and apply 4000 or 4200. Problem solved. 5200 is overkill and permanent short of a glowing putty knife or a torch. Link to comment Share on other sites More sharing options...
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