engine starts then shuts down

a little more info would help us out.

- any modifications to the motor (air filter, bigger carb, ect)
- any recent motor troubles to cause this. was it running before and what has changed.
- HAVE YOU LEAK TESTED
- air screw set correctly
- have you recently plug chopped to set jetting
- any other info, we cant just go on "it was running now its not" kinda posts.
 
Are you sure its getting a steady supply of fuel. Might be sucking the bowl dry, and not getting more fast enough
 
Even the best make mistakes. Its good to double even triple check anything that may be causing the problem
 
i started the engine in the morning 3 times but connected back the tors system then took off the yellow/black and the black/white then kicked it started up and gave it throttle and worked took it for a drive for like 15 mins then took the carb off and put on the other one i have because the other one makes the blaster run faster so i kick started and then back fires or turns on but give it throttle and shuts down and i dont like to use the carb it runs with because it drinks a lot of gas
 
So, in other words, no, you haven't properly disabled the TORS. What year do you have?
 
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Remove the front plastic hood. Find the black plastic box with 3 wires coming out of it. Unplug it. Put the hood back on. That's all you have to do.

As far as your carbs, whatever you use needs to be jetted correctly for your mods. Any less fuel than needed will result in meltdown.
 
But it works fine with the other carb? Are they both stock carbs? Whats the jetting in them? A carb jetted lean will make it run much faster right up until it fries your piston!
These do drink alot of gas, but the gas also helps cool the engine
 
Your post above describing what you did makes absolutely zero sense. Try again to describe exactly what worked and what didn't. In your description, include what you used for a carb top and cable, TORS brick, etc. Most importantly, use punctuation.
 
Take the float bowl off the carb. Main jet is in the center, should have a number on it. If the carbs are both stock, there is no advantage to using one or the other, unless one is faulty. They will have to be tuned exactly the same in order to keep your engine running right, and not melt your piston.