HARLEY DAVIDSON SS 250 / PETCOCK REBUILD this video shows the brake down, clean out, and reassembly of a petcock for a SS250cc 2 stroke. This is part of a build video that I am in the middle of right now. I just did the carb video for the same bike, and I hope to be putting up the video of me firing up this bike for the first time in a couple of days. stay tuned people you dont want to miss seeing this run for the first time. ride safe people and live life behind bars.