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9197 GSX will not accelerate

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spfgm

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I replace both carburetors,, and spark plugs had it tank tuned, if I try to acceleraste fast it just goes slow then like a switch it comes a live. When I let off the throttle it does the same thing all over again.
 
Still sounds like a fuel delivery problem. Where did you get the carbs. that you replaced? Were they new rebuilt? What is tank tuned? Did you replace the fuel lines? Fuel selector valve? Fuel filter?

This question doesn't make a lot of difference because they are all about the same vintage. Which SeaDoo are you having the problem?

You need to give us a little more information before we can help you.

Lou
 
97 GSX will not accelerate

The carburetors were brand new for my GSX Seadoo, They were installed and the seadoo was put in a tank to do the fine tune adjustments including the mixture and the air bleeds.
I replaced the fuel lines and there is nothing in the seperator or filter.
Is it possible the oil injector is malfunctioning and causing it too run rich , the plugs are always toward the black side and this boat smokes more then my other boat when it just fires up.
 
The problem you are having sounds like an accelerator pump issue. When you first attempt to give it gas, there is a little pump on the backside of the PTO carb that has a plunger in it. When you depress the throttle, it squirts a shot of gas into both cylinders to build your initial vacuum to get the REVs up, then the motors manifold pressure will take over and draw gas from your carbs.

Problem? Your GSX is not suppose to have the accelerator pump. But, since you said you just bought a new pair of carbs, I would check to see if you do have it. How can you tell? With the air box off, look at the front of the carbs and you would see a small (about 1/8" ID) fuel line, like a weedeater, that follows the path under the carbs and into the side of them. On the PTO carb, you will see a small diaphragm plunger, about 2" in diameter.

If you don't have the accelerator pump, then you may have a problem with your low speed jet not being set out right, or you could have the wrong size jets.

You posted this thread in the meet and greet section of the forum, I will be moving it to the PWC 2 stroke troubleshooting.
 
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