It works great, just had an opportunity to test it. I used the black tube over the threaded part (which fits nice and tight) and then to the carb, the nippled end to tank.Thanks again for the info, saved me $30 for 2 engines. I used a throttle arm (a buddy made some out of aluminum for replacements for the plastic stock ones) which happens to fit perfect and is bendable for a good angle to adjust the needle as needed.