I’ve never done a valve adjustment before and I need some help. Too many 2 strokes I guess.
I’ve got the valve cover off our Yamaha EF4500ISE generator but I’m not quite sure how to proceed.
Are the valves supposed to be at a certain position when I check the clearance? I can ‘tick’ the engine briefly and move the valves but am not sure if it matters where they land (both up, one up and one down, etc.).
Where exactly am I supposed to check the clearance? Where the arrows are pointing? Right now there doesn’t seem to be any clearance. Am I supposed to loosen the nuts (on top) first?