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Probably. I have the unique version of accelerator pump on my carbs that has an umbrella check valve instead of the ball and spring style. This size umbrella check valve is NLA and cannot be found. This forced me to have to try an in-line check valve on the supply side of my accelerator pump...

I really am not sure I have fixed the problem yet. I cleaned my rave valves and there was a LOT of build up on them, but then the season was over so I winterized the ski and put it away. So I don't know if that was a fix or not. In a couple of months we shall see.

Called twice, they were surprisingly un-helpful. The lady I reached when I pressed "1" for the carb division first forwarded me to a supplier that couldn't find the part on a diagram and therefore couldn't supply it. The second time I asked for technical help and got forwarded to a guy's office...

Contacted the carb parts website to see if they have anything that will work. I have one of the trimmer bulb check valves, but it has a large square duckbill style stem that I semi-mangled trying to install.

I actually purchased the china carb that he specified (wont get in for a few weeks at least). I also bought one of the check valves with the square stem and there is NO way that sucker will fit. I have been on the hunt for a while for a usable check valve, but I am glad I am not the only one. I...

Since it is impossible to find an umbrella check valve for the round diaphragm accelerator pump. Does anyone have a square diaphragm pump they are looking to get rid of?

alright, well I have a plan for everything but this tiny umbrella check valve. It seems that nobody discusses the check valve in this accelerator pump design. It seems the more common umbrella valve size is about 15.5mm in diameter. The one from this accelerator pump is about half that at 7mm in...

Do I need brass solder or something?

I can't get the solder to flow worth a crap. I have the pieces clean and I get them hot enough to where the solder melts as soon as it touches the part, but it doesnt adhere to the fitting in any way whatsoever. I have done some plumbing not too long ago so I am not a total noob at this... Wtf

I actually just found what part of my check valve broke apart... the umbrella check valve seal. It looks exactly like this... http://i.kinja-img.com/gawker-media/image/upload/s--xy9UGQgy--/c_fit,fl_progressive,q_80,w_636/18ibhrhstcctxjpg.jpg

hmm that isn't too bad. Better than the 114.00 I was finding. Any idea on the check valve? I can't seem to find it on any parts break downs. Really I need to replace everything wear related to the accelerator pump. Diaphragm, check valve and the feed fuel line. There are two diaphragms on...

So I was pulling my carbs again to clean out my accelerator pump and managed to break the fuel fitting pictured below. It appears to be a press fit, and I probably could punch out the rest from the backside, but I have no idea where to get a replacement fitting. Also, there appears to be a tiny...

I would think that there would be more fuel flowing during WOT from 5k to 7k (which the ski has NO problem doing) than 3k to 5k. I could be wrong though.

It really isn't jumping from 5-7K, more like 3100 to 7K where it bogs. Max RPM was about 65xx or 67xx (I think?)

I did completely disassemble the carbs, but not the accelerator pump. Honestly this is my first time messing with anything carb'd that is bigger than a push mower. So it is my mistake not cleaning out the accelerator pump lines and jets.

Good to know! Will be tough to get at the small lines though. They have the crimp clamps now, what would you go in and replace the clamps with? I don't know if the typical worm gear clamps go that small!

Do these diaphragms generally not need replacing? I sprayed the crap out of the nozzles with carb cleaner when rebuilding. Is there a way to flush these lines out without pulling the carbs again?

1999 GTX Limited. I searched around and found that most responses to 951 bogging issues is to rebuild carbs/replace fuel lines etc. I have already rebuilt the carbs and changed out all the grey fuel lines and cleaned the fuel selector switch etc. The ski will hit 56mph, but I have to slowly roll...

Forgive my ignorance, I have not dug around much inside the ski, but where is the other electrical box? I remember the one on the forward port side...

Where is the cheapest place to get a manual and/or parts? I have worked on tons of BMWs but am new to SeaDoo so I am a bit unfamiliar with parts vendors.