How to check the oil level on a 1977 honda express (nc50 2 stroke)?

How do i check the oil level on a 1977 honda express (nc50 2 stroke)?

#21
http://www.partsfish.com/oemparts/a/hon/506b798af87002377854f682/crankcase-oil-pump
Place the bike on it's center stand, on level ground.
Remove oil level bolt.
The oil level should be at the bottom of the hole.