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Don't worry you are a member of a very very big club on that one.:cool2:

There are about a dozen build threads on here and PWCT you can look at for more information before you start cutting.

Cutting out the pump tunnel and grafting it into the SX hull is exactly what everyone is doing, I am the exception, I made a mold out of the inside of a pump tunnel, cut the old tunnel out , secured the mold into the ski and made a new pump tunnel, IMHO the only correct way to do it, but...

This pretty much sums up my life story, the 550 pump will work but the 650 pump works much better, I will go so far as to say the pump limits the ski way more than the motor, a 550 engine in that ski with a 650 pump would probably haul a$$, the opposite not so much.

Flat is where its at, never seen a surfer here , never will.:pokey:

You will never get good results with the 440 style pump, I chased and chased my tail for years trying to make that pump work, if you are not willing to do at least a 550 pump swap just leave the 300 in it and ride, it will probably work better.

Yes a new shaft is mandatory, the 440 style pump which is what is in the 300SX has the prop screwed to the shaft, 550's 55SX's 650's and 750's are set up with splines that go into the impeller and the prop screws onto a shaft inside the pump, you will need the 550SX style pump and a 900ZXI...

I put in at the Kowliga bridge and ride all the time.

Taco metals stocks the oval aluminum in 4" width, I saw a few other places where you can get 6" oval via special order

Only on the X could a discussion thread on a new hull turn into a cannibus smoker reunion, way to go guys , you freaking rock!

We had this discussion the other day, the one way valve is actually a one way valve up to a certain pressure, that pressure is usually about 5 psi, under normal operation the fuel tank pressure should be between 1 and 3 psi. Not much of an explosion hazard there really.

It will probably at least get him breathing hard :haha:

I believe the 900ZXI shaft is the one you want, also the stock rear exhaust has to go, it makes the pump cavitate like crazy, just run a new thru hull tube out the back.The aluminum plates are just 3/4" thick plates drilled and tapped t bolt down to the stock engine mount holes , then drilled...

How do you know about them Matt ?

Third year running although apparently its not a REAL ride because it still hasn't made it on the freeride tour. I do see we made it to the events section though so we must be moving up the food chain.

Maybe SFL is posting again...........................

Several of you guys nailed it on the head, this morning I searched for INTERNAL FUEL FILL, crazy stuff came up, same search on google yielded usable results, if I can half a$$ remember who started a thread I will just go to their home page and search all threads started by them , its actually...

What usually happens when I do a search is either nothing comes up or a bunch of random posts having nothing whatsoever to do with what I am searching for come up.At least thats what happened as late as this morning.

Here you go since you asked. I did a thread search on the X today My searches for fuel fills all turned up ghey but then I searched Google and all was ok Thank God for Google it saved the day People often wonder why site traffic is down but when we have problems the mods want to clown...

That is a sweet looking pole, it does look much better than most of the similar poles I have seen people make and try to sell here.