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1997 SPX full throttle problems.

K Wright

New Member
I have a problem at full throttle the engine will just stop like you shut off the gas.
Then after running it at ¾ throttle for a long time 10 to 30 min the problem gets so bad you can only idle it back to the dock.
I have the carburetors rebuild and still have the problem.
I have replaced all of the fuel filters and added one after the main fuel filter.
Replaced the fuel filter in the carburetors also.
Cleaned the fuel tank.
I was told it may be there is a leak in exhaust or gas lines and the air in side the hull is full of “fumes” no air, and so it is running rich.
Was told try to run it with the seat off and see if this fixes the problem.
I can then know what to look for next.
Has any one heard of this or have any other ideas to help me.
 
Did you change the gray tempo fuel hoses? If not... your filters are probably plugged again.
 
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