Re: Curious about the engine, :question:
Your right on aftermarket covers. The standard cover hits the clutches center leaving a 1/8" gap. I had robbed this engines cover to use on my wet clutch engine. Couldnt figure what the heck was wrong until I checked the other engine and saw the taller cover.
I retapped the holes in the case to 1/4 20 using a bottoming tap to use the entire bolt hole, the Chinese for some reason only favor the first half. Just cant see using those crappy combo screws to hold the case together. I can torque these.