Originally Posted by Unsung
I am trying to top this oil off, I've put 1 quart and a 1/4 in it just about, and it stays on the bottom centimeter of the dipstick.
After a quick oil/filter change I just dump in 1.5 quarts to get me started. Check the oil with the engine idling is how I do it, about .5 from the bottom mark to the top. If you really work at it you can get the full 2.1 quarts out of the thing if you don't rush the oil change.
Get a sight glass kit for peace of mind, riding down the road you can just clutch it and let it idle, glance down and check the oil level.