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Plus the Kawasaki cyl needs machine work or special offset nuts.

Make sure to use a 61X gasket or drill holes in a 62T to match.

I thought racing was dead.

Use a lot of teflon pipe thread sealant everywhere steel touches aluminum.

That was easy 20 years ago. Now there are too many products and combinations to make a simple chart that could be of any use. Fortunately there is probably someone around that has tried whatever combo you have or want.

The point of restriction should be at the end of the nozzle. The cone should take up unnecessary volume without restricting internal flow. IF you gain performance by making the cone smaller, it was too long and throttling the pump internally. The pump designer needs a kick in the ass for that...

This test was done by measuring static thrust on a Superjet strapped to my test trailer and sunk as deep as possible. I simply measured the nozzle area and thrust, then used a dynamic pressure calculator to get the speed. For full speed testing I plan to make a pitot ring behind the nozzle but...

I measured my jet stream at 70mph. This is not a very effecient way to make thrust at low hull speeds. More low speed thrust can be made with the same power by trading some of that pressure for volume. Adding stator vanes reduces backfilling behind the impeller blades. This becomes most...

Anyone ever fill the center to match a large hub impeller?

Work on the idle mixture if it bogs off the line and nowhere else.

They used this design on everything that had, or could have had a 1200 in it. The 1100s used a double row front bearing to handle heavier thrust loads.

On this setup, thrust is transmitted through the rear bearing to the sleeve. The nut on shaft is required for it to work. The front bearing fits looser on the shaft than a SJ so you should be able to get it to move forward by dropping the shaft on a block of hardwood. The rear bearing pulls off...

The last year for slalom was 1993, they had to stop the event so Superjets could be competitive. Using flat bars on a stock length pole is usually enough for small/short guys. Anyone over 5'7" or 150lbs would want a shorter pole and/or longer plate. Adding skegs to the plate will make it easier...

You will need to instal a Superjet Pump as well.

Ask Edgar Winter.

I have noticed, everything is "backflip" centered. Any reference to a hull, engine, pipe, pump, or rider is judged almost solely by a backflip, or lack of one. It all reminds me of junior high where jocks were seen as the smartest guys in the room.

Ive heard there's sea monsters and that you will fall off the edge if you go too far out.

It should run as well as a limited SJ.

There are plenty of lakes, a couple have a lot of big cruisers to chase. Property taxes run 2-3%, no income tax or personal property tax but they are beginning to tax airplane ownership. It has grown into a giant sea of suburbs so getting around can take time. Ghetto areas are fairly...

Killing the pipe with more water is probably enough. I think a really hot 1100 would need a bit more detuning, especially a race gas setup. It depends on the hull/rider. I have always found a smaller nozzle to soften the hit but so does later timing and killing the pipe. As far as engine...