Uncategorized Quick question about timing tensioner June 15, 2016 Matt400ex00 I believe that my tensioner in my 400ex is bad. Can I just get a long extension and socket and take the tensioner out without taking the topend apart. I don’t think it will mess with timing but better to be sure. Thanks Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related