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DSW Engine Quits??
I've got a Pantera 50 with Hyper 50, Pro-Muffler, OS#8 plug, Cool Power 30%. Last two sessions as tank gets lower, the engine just quits. 1st I thoought may be running hot, so I richened is up a few clicks, quit again. I then thought plug going bad, changed it out, same thing. I'm thinking next to change fuel lines.
Any other thoughts?
Sound's like you have some time on the motor.Take the pipe off and look at the ring.If it's shiny,that's your problem and it need's replaced.When the ring is warn out and the motor warm's up good,it looses compression which slows fuel pressure and the motor die's .The motor will die at the end of the tank and get worse as you keep flying it.Will get to where it die's around 1/2 a tank.The ring should have a close to black color if it's good but shiny is bad and the motor will act like your saying.If it's good,check the fuel line's along with the clunk.Take the fuel line off the carb and pipe.Plug one side and blow through the other to check for leak's.You could have a crack in the clunk line right above the clunk from it flopping around all the time and the only way to check that is to take it out of the tank.I would check the ring first,I seen that happen many time's and taking the pipe off doesn't take long..