hi i need some help adjusting the carb it will only run for a few seconds and thats if i pump gas into the carb need to know the needle valve setting i think they are all out of wack either flooding the motor or not getting the right amount of fuel model is vwb29906a and serial is 96x 11247 and also fuel to oil ratio and what octain if it matters only paid 100 dollars for motor but just cant get it runnig right need help .