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Thank you!

Thanks for checking. I was using the shop manual specs.:facepalm: I'm headed to the machine shop now and will point my guy to this thread.

Thanks for the input! O:)

Rebuilding this 185 Seadoo to a 350 hp. At the point of putting in my CP pistons and Carrillo rods. I can see good cross hash in my cylinder walls and my ski was running perfect when I tore it apart....

It's 6mm for future searches.

Does anyone know the proper alley key size to remove the oil sprayer banjo bolts from the engine block?

One of the eight crankcase bolts is rounded. I read previous threads where drilling the bolt out was the only method. I presume the initial engine builder put too much Loctite on this bolt. All other...

Update: I wish I would have done more reading which would have amounted to less spending.

I got the engine tore down, don't have my Carillo rods yet but its a matter of time/budget. Still need...

So, today I got the engine out. Didn't have the time to work on it over the weekend. I copped a Supertech Light Weight Valve Set and Supertech springs and retainers, new head gasket too from...

04-05 ECUs will work with your 05 RXP.

Calculating. I don't know if there is a thread on this but I searched it can couldn't find one.

Is there a standard for calculating modified Seadoo horsepower? I've come up with some numbers from...

Ran the ski yesterday with impeller #2. Top speed 62mph, constant 61mph. 8000 rpms. Decrease the pitch on the leading edge -2mm decreased pitch on the trailing edge -2mm to total -2mm on the leading...

Ok. Back from a quick run after switching impellers again. I went with impeller #1 (OEM 13/23), with the 2mm increased pitch on the trailing end. I measured leading edge to 4.1cm and took it down to...

Thanks. Your 2005 GTX results are an example of what I am talking about. Mid 60s at 7500. I also presume my SPEED problem is the impeller like you said but before spending on a new one I wanted to...

Yes. I have an X charger and bought the 215 Flywheel gear but haven't changed it yet. Others with the same PWC have achieved 67+ before changing the flywheel. IF I'm getting 8000 RPM I got the power...

Greetings,

I have a 2003 GTX 185 that I have been upgrading trying to get to 260+. I know all the originals posters in this GTX forum are well past discussing mods on this old ski 2003 ski, but...