Procedure for checking dipstick:
1. Warm up scooter -- ride at least a few km/mi.
2. Park scooter on centerstand on level ground.
3. Unscrew and remove dipstick, wipe clean with lint-free cloth.
4. Reinsert dipstick -- do not screw it in, but just put it all the way in before it has to be screwed.
5. Remove. Observe the reading. Operational oil level should be on the crosshatched section of the dipstick, ideally in the middle or top part of the range.
Too little oil is bad, the engine won't get enough oil. Too much oil is bad, the engine can bog down or have oil intrude into areas it shouldn't, or have excessive blowback into the air cleaner.
Hope that helps! If you want a how-to with pictures, I'd be glad to provide one, just ask.
