I just bought a TTR 125 need help with idle, it won't stay running

Do you think he might be turning the wrong screw? Sounds like the low speed/pilot jet needs ckeaning too, but I have always been able to get one that will run at all rev up even if eratic.
 
Do you think he might be turning the wrong screw? Sounds like the low speed/pilot jet needs ckeaning too, but I have always been able to get one that will run at all rev up even if eratic.


Here's only one screw on the stock carb and it only adjusts so far. These bikes are so reliable that the only run issue I have ever had is carb getting a little gummed and causing the idle to miss. Even with a dirty carb the sucker will still run awesome.
 
Here's only one s. ew on the stock carb and it only adjusts so far. These bikes are so reliable that the only run issue I have ever had is carb getting a little gummed and causing the idle to miss. Even with a dirty carb the sucker will still run awesome.
I was thinking he may have been trying the lowspeed fuel screw
 
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