98XPLTD Denver
New Member
Ok I’m looking at replacing my stock sponsons. Who makes the best aftermarket sponsons for this ski ? And where to buy them please.
Thanks
Thanks
98 seadoo XP LTD sponsons
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Not sure if anyone still makes them but @Matt Braley will know.
Thitoff_XP720
Member
You can make your own out of aluminum for about $50.
Block off the front hole because the hull curves in and the aluminum won't sit flush.
Piece for inside the hull use 1/8th inch thick, 16 inches long, 1.5 inches tall.
Back piece that goes against the hull use 1/2 inch thick, 16 inches long, 1.5 inches tall.
For the actual sponson use 1/4 inch thick. You can make it any design you want.
For my sponson I took a piece 1/4 inch thick, 18 inches long, and 3.5 inches tall.
Measured 4 inches to the right from the top left corner and put a mark, then draw a straight line from that point to the bottom left corner and cut it. Then measure 4 inches to the left from the bottom right corner. Mark that and then draw a straight line from that point to the top right corner and cut.
Then I used a belt sander to round all your edges and then polished them....will powder coat when I have time.
I will post mine below.
Thitoff_XP720
Member
98XPLTD Denver
New Member
Wow looks good I hadn’t thought about making my own. So it’s two pieces then?
Thitoff_XP720
Member
3 Pieces. Piece that goes inside the hull (1/8th inch), one on the outside (1/2 inch) and then the sponson (1/4 inch)
The piece that goes against the hull and the piece inside the hull are held on by 3 bolts that go through....so you will need to drill those 3 holes in the aluminum pieces.
Then you need to drill and tap 3 holes in the piece that goes against the hull on the outside. The sponson is held on by the 3 bolts as show that are drilled and tapped.
Does that make sense?
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98XPLTD Denver
New Member
Yea it does so the bolts go thru the ski and nuts and washers on the inside of the hull? So what sheets of aluminum do I need 1/4” and 1/2”. I might try this out sometime I have lots time now still. Darn corona lol.
Thitoff_XP720
Member
Yes that is correct. You need
Inside...1/8th inch thick, 1.5 inches tall, 16 inches long.
Outside is the same as inside except 1/2 inch thick.
Sponsons use 1/4 inch thick, 3 inches tall, and make it 20 inches long and you can draw out the shape you want it.
Inside...1/8th inch thick, 1.5 inches tall, 16 inches long.
Outside is the same as inside except 1/2 inch thick.
Sponsons use 1/4 inch thick, 3 inches tall, and make it 20 inches long and you can draw out the shape you want it.
98XPLTD Denver
New Member
Couldn’t I just get 1/4” and 1/2” aluminum sheets? Do inside 1/4” thick? Where do you buy your aluminum sheets?
Thitoff_XP720
Member
You could but I chose to do an 1/8th inch one the inside on both of my skis.
I have a local welding company that I use for my aluminum and they pre cut everything so all I have to do is smooth the edges.
I have a local welding company that I use for my aluminum and they pre cut everything so all I have to do is smooth the edges.
98XPLTD Denver
New Member
Oh nice yes I don’t have anyway to cut that. Would they be pre drilled for my 98 XP LTD? I was thinking bright yellow to match the ski color.
glsmohio
Well-Known Member
yep you would just have to take the old ones off and install the new ones. i would make sure you had all new hard wear
98XPLTD Denver
New Member
Hmmmmm I might have to just get a set from you then. How do they perform over stock? Any pics ?
Do you do any for Yamaha stand ups ? I was looking at some thing for my 95 Yamaha FX1
You really wouldn't want sponsons like that on a standup. To get it to turn better look into tubbies.
98XPLTD Denver
New Member
Gotcha good thing i asked. I’m interested in possibly getting you to make me some yellow ones. Let me know how they look and Perform if you can.
98XPLTD Denver
New Member
Sorry that’s supposed to be for glsmohio lol
98XPLTD Denver
New Member
Do you have any pics I might just purchase from you then.
Thitoff_XP720
Member
We have them for all of our X4’s but I’m the first one in our group to make them for an XPL....I rode today to test my ski but was too rough to try any sharp turns.
98XPLTD Denver
New Member
awesome I’m waiting on a replacement battery got my seadoo I need to test both skis. One battery is toast
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