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Some up trim is great when you need it but its bad for the other 99% of the time you ride. X2s have a trim gimbal that is not designed to use on the fly. X2s are effectively longer hulls and can run with up trim without too much porposing unless the rider is very large. There were aftermarket...

Low volume sellers need to build up credit and trust. That's why Paypal holds the money until they are reasonably sure it wont end up costing them. Twenty years ago Ebay was more fun. It was basically an online dumpster, an easy way to turn garbage into cash. A buyers only way out of a bad...

"Mild/moderatelybuilt", what does that mean? Either one of those impellers will be close with a wet piped 701 depending on its exhaust port height.

I have found that often the deck needs to be lapped before an ADA head will seal. BTW, the O-rings do little for sealing combustion. The gas will go right through them if theres any space between the cylinder and dome. I'm sure Ive said it before, Yamaha cylinders need crushable gaskets. Thats...

Standard 46 mikunis have venturis so they will flow slightly less but be much easier to tune. Typically aftermarket companies will bore out the venturi and install their own discharge nozzle. Its the easiest way to make money in the whole PWC industry. You have to be more careful with carb...

Add up the value of all its parts and then pay less than that. The Chans that I have I have experience with were full of voids. The entire pole attach area went soft and needed major repair very quickly. This particular hull may be good but always tap the whole thing. The hull may be short...

We have built a knowledge bank of carb specs but those can never take the place of actual mixture tuming. Nobody has posted measurements of their hull bottom and pole length. At least i never found any. I am happy to start one but don't think anyone would use it.

Technical details and riders seldom go together. All you can get through is a few buzz words at best. I think everyone has ridden a Superjet at some point so that ski is probably the best universal data point to compare others to. The rich/lean aspect is very important because its so easy to...

Every rider should know how wide they need the bottom to be and where they want the center of gravity. Those are the basic dimensions that determine if the hull will fit the rider. Then figure how much lateral grip and/or dead rise you want for the way you like the ski to turn.

At what price would you pay for a well done Superjet clone? Can 18-22 year olds even assemble a hull anymore? I think the biggest problem with this hobby is that very few stay in long enough to ever know what they want in a hull. Thats why everything is sold with nothing more than a picture...

The front half is common to 650sx and x2s. The tail cone is much harder to find. I have made tail cones out of fiberglass and they work fine.

I use foam ear plugs.

Title?

Depending on how tall the exhaust port is, it needs to turn at least 6800 with that pipe. If it is "race" ported then adjust the pump load so it gets on the pipe quickly. A freestyle pitched impeller is ideal. What I mean by "rich of peak RPM" is adjusting the top screws at full throttle...

The heavier hull is always going to ride and land softer than a lighter one the same size. Cheap/heavy material may work for a race or surf hull but is no good for flat water flips. The cheapest method I know of is vacuum forming heated plastic. It will be heavy and wont hold its shape nearly...

Make sure to tune the carbs a little rich of peak RPM or else your pistons may end up looking like your pump.

You can get good low speed thrust with the Superjet style exhaust if a larger nozzle is used. It just won't go as fast as it would with a tuned pipe. For untuned exhausts, keep the ports low! You can widen the exhaust port a little and up the compression a little. Make sure the nozzle is at...

Unless you are pigeon toed, I would make slots at the bottom of the gunwales instead of widening them all the way up. Your engine sounds fine, I would use the 44s and spend time on adjusting the pump load. You said your cylinder is "ported"? That by itself means absolutely nothing without...

If it had a burning smell then the seal had no lube. The coupler side seal seem to last without maintenance provided it was well greased when assembled. The rear ones need a squirt of grease occasionally.

The garter springs are wear items, its easy to see if you look at them. Just replace it every season.