POLARIS AAT |
Adjust-A-Thrust for Sea-Doo Watercraft and Jet Boat Early Sea-Doo jet pumps were a model of inefficiency. Of course, back then, all jet pumps were the same, so why pick on Sea-Doo. The second generation pumps with the plastic stator sections did a much better job of processing water. The Sea-Doo 155 pump, introduced on the ’97 ½ GSX LTD is their best effort at harnessing the power of water. Unfortunately, it is only available in craft equipped with the 951 engine. Another nice pump that Sea-Doo makes first appeared on the Sportser Jet Boats, commonly reffered to as the "C" Pump, it looks like a smaller version of the 155 pump. We make a model of the Adjust-A-Thrust for this pump, and you can find it on the Skat-Trak page, it is the Sk26. The stock exit nozzle on most late model Sea-Doos is
plastic and does not lend itself well to boring . In
order to get more low end out of a Sea-Doo, a lighter
pitched impeller should be installed, or an
aftermarket adjustable nozzle can be used. Most
serious Sea-Doo tuners already have a nozzle on their
craft. Installing the Adjust -A-Thrust on a stock pump
will get you more top end, with no loss of low end
power. The Adjust-A-Thrust is larger than the stock
tailcone, this reduces the volume of water within the
bowl of the pump. Because of this, there is less space
to fill before water exits the pump, allowing a higher
water velocity to be maintained. This is a big bonus
in rough water, where there is a noticeable
improvement in acceleration and hookup.
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