I need help urgently with my rxpx 2009!

[quiddo15]

I start the ski and as i pull the throttle in it chokes, then I try to gradually pull it in and gets to about 6000rpm and won't go any harder. So from there I put new spark plugs in the ski, had the injectors cleaned, checked the slip on the charger, checked the Rrfpr and it's abit over 50psi where it should be, so then I check the oil catch can and it's full, from previous experiences this is a bad sign. The ski has 36hrs on it , it has just had seadoo centre low comp pistons put in it and was last used and tuned by Garry Watson.

[GasResearch-VT.SE]

Check comp.
Put a bore scope in the spark holes, have a look.
Check for water leaks from head gasket.

Thats just a few things.

[sniper300]

Check your manifold !!! it may have a big leak or has split. When i split mine it would not rev over 6200rpm!! Are you running big boost ?? as that would be the only reason you would run low comp pistons!!

[GasResearch-VT.SE]

Good point... I just had that last week!
Anything over 13 psi is asking for trouble with the manifold, some will be lucky and hold, some won't (like mine).

Blow 15-30 psi through the intake piping using a low volume air compressor or 15 psi using a high volume, this is how I found where mine leaked.
I tried 5psi but it didn't show the problem.

[quiddo15]

Yeah I'm running a Seadoo centre c kit, it's puting out about 20psi at the manifold, the ski has just had a Brand new seadoo centre aluminum race manifold all brand new titanium valves, bored throttle body to 60mm. All the gear is brand new. The catch can had a a fair bit of oil in it.

[Boost-A-Holic]

I start the ski and as i pull the throttle in it chokes, then I try to gradually pull it in and gets to about 6000rpm and won't go any harder. So from there I put new spark plugs in the ski, had the injectors cleaned, checked the slip on the charger, checked the Rrfpr and it's abit over 50psi where it should be, so then I check the oil catch can and it's full, from previous experiences this is a bad sign. The ski has 36hrs on it , it has just had seadoo centre low comp pistons put in it and was last used and tuned by Garry Watson.

when u say last used how long ago was that? old gas maybe? sounds like it isnt but i just had to stick it out there. When i first went to go check out my ski before purchase i test rode it and even though we added fresh fuel there was still some old fuel in the tank/lines and it did the exact same thing urs is doing for a bit.

[quiddo15]

Ok so the ski had not been ridden in about a year, then i rode it with old fuel in the tank, then I emptied the old fuel out and put new fuel in, then changed the spark plugs, and had the injectors cleaned and still the same problem but this time the catch can filled up with oil and even over flowed into the hull of the ski. Thanks for help guys.

[wotxxxsd]

Run a double dose of Injector cleaner to clean fuel lines and check your oil.

Oil might be over full??

[quiddo15]

So your saying to run Injector cleaner into my fuel tank? I've read that this could be harmful for the engine and also i'd have to change the oil in the ski after running it.

[quiddo15]

I just checked the oil and the level is double what it usually is and it looks like the garret intercooler has sucked up water Would it just be a matter of getting the water out of the engine and replacing the intercooler??

[monaroman76]

Do several oil changes until the oil coming out isn't contaminated with water. Then change the intercooler and spark plugs and hopefully all is good. Did you check compression?

[lilman573]

Re: I need help urgently with my rxpx 2009!

Sounds like the ic is leaking. Have you taken it out and tested it? My inter cooler was leaking and I ended up with a similar problem. Except, mine didn't end well and my motor is out getting rebuilt. Check the inter cooler, do the oil changes, then do a comp check to see if the water injection has been messing with your head gasket/valve seals/rings.

Good luck!!

[quiddo15]

I have not checked compression as yet. As soon as I get oil I will do an oil change, change the plugs again and buy another intercooler, I currently have a garret intercooler can anyone please recommend an intercooler or are the garret intercoolers the best? Also with the oil change do I start the ski at all? What's the process? Thank you all very much for your input and advice

[monaroman76]

I'd do an oil change, turn the ski over in drown mode for a while and repeat until the oil is nice and clean. Don't replace the oil filter each time, only when you know the oil is good to go.

As far as I know the Garrett intercoolers are good units, might also be worth checking out the Fizzle HE intercooler.

[Snoman]

I would pull the ICer and pressure check it to verify that it is indeed the ICer....Also do as the boys suggested...a couple of oil changes to get the contaminated oil out..I would also be concerned on how long the water was sitting in the block..water and your bearings do not get along well...