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Tdr powerspray waterbox 96xp
- Thread starter Brprxt215
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The change is slight but people point out the lack of gain because of the loud sound. Sometimes a little backpressure is a good thing performance wise, depends on a lot of things. The 97SPX is the best flowing and performing waterbox for the 787 X4. Old racers used to love the yami raider 760 waterbox's too. I've never seen one of those with a stock pipe though so I'm not certain it would fit.
suke
Well-Known Member
Anything you need to do to run the spx water box on the 96xp? Plug and play?
suke
Well-Known Member
Good to know! Just curious. I've heard people rant and rave about em, just didn't know what was so good about them.
No it has a little bit of a deeper tone but not a night and day difference in sound. They probably won't add too much by themselves but every little bit of rpm helps.
If you have welding skills you can open up the stock waterbox, remove some baffles, and then seal it back up to get that offensive sound.
If you have welding skills you can open up the stock waterbox, remove some baffles, and then seal it back up to get that offensive sound.
I was "that guy" 20 years ago. I had a Factory Pipe on my 95XP with a TDR behind it and I sounded like a swarm of giant killer bees from hell coming up the river. I thought it was awesome back then and honestly it was just not considerate or appropriate.
I grew up though and realized somewhere along the way that I didn't need any help getting noticed. These days I usually stop and stop the riders behind me for canoers and tube floaters yet there is a couple in every group making an ugly face or even waving their arms around. I just smile and try not to make eye contact while thinking how lucky they are that it wasn't the 23 year old me lol.
I grew up though and realized somewhere along the way that I didn't need any help getting noticed. These days I usually stop and stop the riders behind me for canoers and tube floaters yet there is a couple in every group making an ugly face or even waving their arms around. I just smile and try not to make eye contact while thinking how lucky they are that it wasn't the 23 year old me lol.
Paul Bretz
Active Member
I have always heard that any of the spx 800 boxes were better than 96xp’s waterbox. Is there any difference in 97-99 spx water boxes other than color? I looked on hlsm and found they have same part number. Is it possible it is a superceded part for all 800 spx’s?
Paul Bretz
Active Member
Im pretty sure its all 3 years
No the 97 waterboxes are different. There is better flow there for sure and they are constructed differently internally as well. Most 97 waterboxes are better then all other versions that look like them. The "holy grail" part is the 97HX waterbox worth at least $250. It's a legal advantage in Stock Spec racing because it's a OEM part. I felt weird asking 250 for mine but it sold quickly.
All X4 787 boxes are different inside actually. The 95 XP800 has more back pressure then the 96. Those first two have a bad rap because baffles will break loose and clog the flow up. It was especially bad on skis used in salt water. The problem is hard to track down because that baffle will stay out of harms way sometimes and then clog the hole randomly. I have a pile of purple one and I always shake them to make sure there is no rattle.
In 98 BRP started reacting to PWC noise complaints. That's why the 98-99 SPX's have the exhaust outlet facing the pump instead of straight out the back. Tech's complained cause now they had sooty hands all the time lol.
All X4 787 boxes are different inside actually. The 95 XP800 has more back pressure then the 96. Those first two have a bad rap because baffles will break loose and clog the flow up. It was especially bad on skis used in salt water. The problem is hard to track down because that baffle will stay out of harms way sometimes and then clog the hole randomly. I have a pile of purple one and I always shake them to make sure there is no rattle.
In 98 BRP started reacting to PWC noise complaints. That's why the 98-99 SPX's have the exhaust outlet facing the pump instead of straight out the back. Tech's complained cause now they had sooty hands all the time lol.
Paul Bretz
Active Member
Is it possible there was a design change mid 98 because i have one out of a 98spx that is grey and the outlet is same as a 96 and 97.
Paul Bretz
Active Member
Is it possible there was a design change mid 98? I have one out of a 98spx thats grey and has same outlet as a 96.
No sorry I was taking about the "though hull" location at the other end of the riser hose.
Paul Bretz
Active Member
Or is the hose outlet to hull fitting different on 98 and 99’s?
Yes the plastic "through hull" fitting on the 98-99 is a 90 degree part.
Paul Bretz
Active Member
Gotcha. Thanks for clearing that up
Oddly enough I found one of these elusive 97 white Spx waterboxes and it's on its way.
It must have come off of a 97SPX. Ebay sellers think since just because the pump seal(or any other common part like a fuel filter) fits "XP, GTX, GSX, GTI, SPX, etc." then the waterbox does also. White waterboxes from any other ski will not fit in the X4 hull.
I sell them for 90 shipped if others are hunting in the future and I have those old torpedo looking Yamaha boxes out of X4 race skis also.
suke
Well-Known Member
I got mine for $80 shipped. Good to hear that's a decent price.Oddly enough I found one of these elusive 97 white Spx waterboxes and it's on its way.
It must have come off of a 97SPX. Ebay sellers think since just because the pump seal(or any other common part like a fuel filter) fits "XP, GTX, GSX, GTI, SPX, etc." then the waterbox does also. White waterboxes from any other ski will not fit in the X4 hull.
I sell them for 90 shipped if others are hunting in the future and I have those old torpedo looking Yamaha boxes out of X4 race skis also.
Looks like a good clean one. It comes with a jetted fitting also.
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