Hard Jet Watebox Diagram Question

[mandriva]

nickj718... very nice..it,s complet instructions for rossier ? Do you have other pages instructions rossier ?

 

[suke]

All it takes is a few grains of sand and that jet is plugged.

Fortunately I don't ride where there's sand. All our lakes are clay or mud. I don't go near Salt.

 

[racerxxx]

Fortunately I don't ride where there's sand. All our lakes are clay or mud. I don't go near Salt.

Let me rephrase this, all it takes is some debris, in the water, floating, minding it's own business, that you didn't see, to build up, and clog the jet.



Ok, if something happens I'll be the first one to say:

 

[suke]

Can't be any worse than the chances with the stock rave. I've already dropped enough on this thing, and now my electrical gremlins have popped back up. A $100 strainer is gonna have to wait. Haha. As little as I ride there's not much more risk than the stock setup.

 

[suke]

Looks like you have everything besides new hose(if you want it) and clamps. As long as the fittings are the right size to be tapped 5mm for the jets it should be smooth sailing. Hopefully you run an inline filter between these and the pump so debris does not clog them and overheat the exhaust.

You see any issue with using 1/4" fuel hose instead? The factory hose while I was able to get it on took a butt load of persuasion. The 1/4" fuel host was also a tight fit, but at least I didn't have to heat up the hose with a heat gun to soften it up to push it on.

 

[suke]

Done, for now unless I can run that 1/4" hose.

 

[racerxxx]

The local auto parts store sells 1/4" fuel line. I wouldn't use what you have there. Get some hose clamps too while you're there. Or, buy a paddle.

 

[suke]

The local auto parts store sells 1/4" fuel line. I wouldn't use what you have there. Get some hose clamps too while you're there. Or, buy a paddle.

I actually have some 1/4" fuel hose, which is why I was curious. Guessing I have it left over from replacing the fuel lines. I have just enough for this.

 

[suke]

Got it all together today after trying to chase down my electrical gremlins that came back. Gave up on the gremlins, but got the ski out. Need to get a tac as it feels like I'm missing some RPMs. Started with a 200 jet in the waterbox and 150 in the pipe.

The pipe was actually pretty cool to the touch, and waterbox was warm but didn't seem overly hot. Seems I could dry the pipe out some and leave the waterbox where it is. Got a tac on the way to really start tuning.

 

[suke]

At the lake now. Tested both the seadoo racing manual and specs and the Rossier specs. The seadoo manual I was turning 6940 and with Rossier was turning 6790. So I stuck with the seadoo specs. Best acceleration my ski has ever had.

 

[Matt Braley]

The Rossier instructions were for a Rossier pipe, totally different then a stock(Westcoast) pipe. I'm very glad to hear it's running great now!

 

[MPower]

The first diagram is Rossier's kit for hard jetting a stock pipe. You can see there is no stinger fitting there like the Rossier pipe has.

I don't remember the sizes the racing manual suggests and I could not read the pics. I would buy all the jets in both ranges (Niche Cycle on ebay) and do some tests after break in. All you will need is a tach.

A Rossier pipe is a nice improvement in performance without being much of an engine risk. I'll send you a clean one for 325 shipped, just sayin'.

Matt, we used these instructions that you said were for the stock pipe. Roughly 100 RPM less than the 'base' recommendation in the Seadoo Racing Manual. If those instructions are truly for the stock pipe, any idea why Rossier's specs are so different?

 

[mandriva]

Me too, i think is for rossier pipe!! Already tested use 90 mid pipe with rossier vs 115 mid pipe.. I got a gain 20@40rpm with 90mid pipe,but very less acceleration...115 mid pipe was the best i try with rossier...great acceleration vs 90 mid pipe..
It,s logic 115 mid pipe and 150 muffler...
I see old post bill o neill...him say than the best setting who tryed with rossier was...140muffler/60 stinger/100 to 115 mid /125 ecwi..(7200@7250rpm) .same setting than fp spec2or spec1...
I see it on forum sbt