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Author Topic:   scupper flappers
dboy posted 06-01-2004 09:06 PM ET (US)   Profile for dboy   Send Email to dboy  
I have a 1997 outrage and the rubber flappers are worn ut on the scuppers. I have tried a few different thicknesses of homemade rubbers and the they all are too stiff to either let the water out and then some take a set and let the water in. Not a good setup unless everything is working correctly. Does anyone know of a good outlet for the replacements. My local dealer just gave me a flap of rubber and it isn't the right stuff. Thanks
lpaton posted 06-02-2004 07:26 AM ET (US)     Profile for lpaton  Send Email to lpaton     
Ordered mine direct from Perko
BOB KEMMLER JR posted 06-02-2004 11:22 AM ET (US)     Profile for BOB KEMMLER JR    
good time to switch to the ball type scupper,much better in my opinion and a easy swap.
JohnJ80 posted 06-02-2004 03:43 PM ET (US)     Profile for JohnJ80  Send Email to JohnJ80     
I second the advice to switch to the ball type scuppers. They are made by Rabud and available from Boat US for something like $10-15 a set. When I switched out mine, they fit right in the same screw holes that were there for the flapper style.

Works much, much better.


Joe Kriz posted 06-02-2004 04:00 PM ET (US)     Profile for Joe Kriz  Send Email to Joe Kriz     
It sure would be nice if someone put some links here so other people knew exactly what each other is talking about.

Is this the correct size?

I notice they have other sizes also. How about this size?

Please advise as a friend of mine is in need.


Backlash posted 06-02-2004 05:01 PM ET (US)     Profile for Backlash  Send Email to Backlash     
The 1" is the correct size. BoatFix has both the Rabud and the T-H Marine Flow Max scuppers.

Search under "scupper".


Joe Kriz posted 06-02-2004 05:15 PM ET (US)     Profile for Joe Kriz  Send Email to Joe Kriz     
Thanks Steve,

Will the T-H Marine scuppers fit the existing screw holes?

From what is stated above, the Rabud will fit the existing screw holes.
Both are listed on the page below.

RJM posted 06-02-2004 05:31 PM ET (US)     Profile for RJM  Send Email to RJM     
Joe, I understand where you are coming from. The inside diameters on my scuppers are 1.5 inches, on my 1996 Outrage II. It doesn't look like either size would work for me.

JohnJ80. What year is your boat? What size scuppers did you use? My scuppers are sealed/formed into the hull and I can't see any screws attaching them at all. Any information would be appreciated.

Joe Kriz posted 06-02-2004 06:45 PM ET (US)     Profile for Joe Kriz  Send Email to Joe Kriz     

The boat that JohnJ80 has listed in his profile is:
15 Dauntless

The boat that Bob Kemmler Jr has listed in his profile is:
15 Rage

dboy who started this thread has a:
1997 Outrage. Don't know what size.

I had a 1997 Outrage 17 II and was concerned about the scuppers at that time but ended up selling the boat. A friend of mine has a 1996 Outrage 17 II and he is looking for good scuppers.

I hope we can get to the bottom of this for the Outrage 17 II as probably other boats of this vintage have the same scuppers. Many even Bob and John have the identical scuppers?

Joe Kriz posted 06-02-2004 06:47 PM ET (US)     Profile for Joe Kriz  Send Email to Joe Kriz     
Last line should have read:

"Maybe" even Bob and John have the identical scuppers?

RJM posted 06-02-2004 07:19 PM ET (US)     Profile for RJM  Send Email to RJM     
Thanks Joe, I had forgotten to look at the profiles. I will wait until I can see some of these scuppers up close before I order anything. Thanks again.
JohnJ80 posted 06-02-2004 09:45 PM ET (US)     Profile for JohnJ80  Send Email to JohnJ80     
Sorry about the size issue. I do recall that when a couple of us went through this on the Dauntless 15, there were size differences on the same model but different years. Probably best to measure first.


Joe Kriz posted 06-02-2004 10:32 PM ET (US)     Profile for Joe Kriz  Send Email to Joe Kriz     

Interesting that you say that there were size differences even on the Dauntless 15's.

How can we catorgorize the different Whalers scuppers?

I am not interested in another project at the moment, but this sounds like a good one for someone who is interested and wants to contribute something to this site and all Boston Whaler owners and enthusiasts.

I am not singling you out John, just thinking out loud.

Anyone interested?
Size of your Scupper? :-)


BOB KEMMLER JR posted 06-03-2004 12:28 PM ET (US)     Profile for BOB KEMMLER JR    
I was told i had the biggest scuppers at the ramp ;O)
JohnJ80 posted 06-04-2004 07:15 PM ET (US)     Profile for JohnJ80  Send Email to JohnJ80     
Boy, I'm not looking for a project either. But these parts only cost $8 or so - it would be cheaper to buy both (I think there are only two sizes) and maybe return one later than to try to figure it out.

I do know that if you call BW tech support, they could probably tell you. They are making changes on the boats all through their production lives and each one requires an Engineering Change Order (ECO) that they can read in their computer system. So, they could probably tell you after a phone call.

I needed to know where and what type of wood backing plates were on my boat in order to mount a trolling motor. They gave me a diagram and told me what serial numbers it was valid for. I would expect that scupper sizing is probably a similar deal since they have to be able to supply replacement parts.


dboy posted 06-04-2004 08:51 PM ET (US)     Profile for dboy  Send Email to dboy     
I have a 21'Outrage, 1997 vintage. I contacted Perko and they asked me to get the model number of the factory scupper from whaler. I have no visible screws to easily replace with the ball type. Whaler got back to me today and said they were a 343 type. Great service. I contacted Perko again and they are sending me the correct rubbers for the original scupper. They weren't real friendly about it but are doing the deed. They have no means of selling to the public and are not charging me. It seems they would have someone carry as a stock item. If the new rubbers are more flexible they should work fairly well, but if they get any debris in them they plug up faily easily. With only a couple of people in the boat they work fine as the scupper never gets below the water line. I think I am going to plug them from the inside until I need them to drain as the water will come in when a gang is on that side and gets into my fish box in the floor and melts all the ice. I haven't been able to find any 1 9/16" rubber plugs yet. Something like the ones we had in chemisty class.

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