Yamaha SR 125

hello to everyone, I’m actually more busy with cars than with motorcycles, but I got real problem here, I got from nem known ne yamaha sr 125 (bj 96 with 13000 down), which jumps cold as warm bad and does not accept gas, if you give in empty run gas it goes out, at the carburettor you have played around there is everything set.. my question: has one of you randomly gasifier setting values, compression values etc. new candle is inside gasifier is cleaned but runs Just don’t and you’re going to have an entire battery empty until it gets there. thank you in advance, would be great if someone could help me. mfg olli