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You might have an exhaust leak or a leaky gaskit allowing water into the cylinders.

Posted this on Ski Buildups too, but I think you guys would have more of an appreciation. Piston Port engine. SBN 44 Carb. West Coast Finned Ride Plate Butch Intake High Compression Head Coffman Half Pipe. Ported Intake and Exhaust 550 Top end Stanless Prop I dont know the pitch 440 Pump...

Here are some pics of my 440 with a 550 Top end. Piston Port engine. SBN 44 Carb. West Coast Finned Ride Plate Butch Intake High Compression Head Coffman Half Pipe. Ported Intake and Exhaust 550 Top end Stanless Prop I dont know the pitch 440 Pump. Carbon/Kevlar reinforced bottom.

With the reliability with my 440 2 stoke... ugh.. wouldn't rely on it to fly a plane haha

join PWCtoday.com and put a request in the parts for sale section of the forum. Lots of helpful people with oldskool knowledge and usually have tons of spare parts they are willing to sell. I have done a few deals with some guys for an E box and stator when mine bit the dust

So Im considering putting a layer of carbon fibre on the bottom. Im still making a decision as to what kind of turf and colour to put on.

So the engine you see there I put together has a High compression head ( I think ). SBN 44. Coffman Half pipe. And some paint to make everything look faster. I also ported the engine to some of the specs I saw on the Porting 101 thread. I guess I will see how that works. Im only a recreational...

Hey guys this is what i've got myself into and progress thus far. I know there are some 550 guys out there that still appreciate the vintage stuff. In my area Ski's are hard to come by. This is my second 550 and the first one Iv ever tried to make my own. So i guess im not finished yet but its...

Hi Guys late checking in.. Do you also have to port the exhaust and intake manifolds and cut the gaskets to match, or are you only porting inside of the edges?

Best tools for the job?

I have bought a new battery and am trying to wire the ski to the starter properly. Where does the neg connect to .. straight to the block? when I do that i have connection to the starter but it goes really slowly.? Its a brand new battery could it be low? or Do i have a bad connection? Looking...

I have so many tech questions where can i find the most informative manual, you guys have been so helpful but I'm sure you will become annoyed with me picking your brain over simple things.

having trouble with new ski, anyone have a wiring diagram for a 550 or 440, basically looking for the details of what comes out of the electrical box

does this help

thanks guys for all your help, I guess I will have to remove the head and just measure the bore, I can take a picture of the prop for you guys too. I really do appreciate your help guys, ugh I just want to be out on the water!

I will pop that off on the weekend davy thanks