There aren't any stupid questions, just verification to put your mind at rest.......nothing wrong in that Dont you have a window (inspection cover) that removes so you can get to a bolt/nut connected to the crank that you turn to get TDC? Cant say about Oil but it wont take more than a few minutes to drain it anyway Do you have all the info on doing it? I print out what I need and keep it in a plastic sleeved folder.....which is turning into a Book Now Torque specs, Head Bolt Torquing Sequence, Cam Sprocket Markings, Valve Timing adjustment, Do you have to drop engine or Tilt it forward? TIP:- Do the "work" in your head first, then do same in your head backwards before you even pick up a tool Its instantly going to be a LOT easier than a 4 cylinder liquid cooled engine so thats good already There is also a TW owners forum that will be a lot more knowledgeable about your engine at www.tw200forum.com