Rice Bran oil has a higher smoke point than olive oil, other recommended oils are Avocado and Coconut oil. Use the Olive oil for salads. 10/40 for the Honda 50Z mini trail of course.
Ahh, the old Caster Oil ploy. That should keep you 'moving'. Or gum up your valves. It will certainly make the brussels sprout farts smell nice if you light them!