Re: QD-10 that runs horrible. Expert advice needed. Home › Forum › Ask A Member › QD-10 that runs horrible. Expert advice needed. › Re: QD-10 that runs horrible. Expert advice needed. RICK EICHRODTUS Member - 2 YearsReplies: 267Topics: 79 July 30, 2018 at 10:54 pm #80429 Ok…..good…..if the motor will run with the HSN fully closed then somehow fuel is getting past the high speed circuit.