Originally Posted by Dan
I kinda cheat on the half link thing. If it needs a half link, I just tip the engine either way. Another shortcut that I certainly wouldn't advise, but use with success.
Not sure I have ever had a single carb bowl that was dead flat and plumb.
I usually mount the engine first with the rear mount square & straight into the seatpost tube. I just get the engine mounted where ever it sits best & then deal with the chain issues (if any?) after that.