I've searched,but, no luck.....I'm at work and can not find what size fuel line/hose our TW's use......I'm going to put a fuel filter in the line(in between the petcock and carb). I was looking at fuel filters and the ad's advised as to what size fuel line/hose their filter would fit?????. I figured on using a VISU filter???. Anyone advise on the fuel line size and/ or a better type/ brand of fuel filter?. TIA.