[Mr Speirs]

I think it is a natural instinct. The same instinct which when you fall makes sure you land on your right hand side. Or when someone goes to hit you you turn to your left exposing the right hand side of your body. Its the natural instinct that tries to protect the heart by getting it further away from the impact.

I think that's why it feels very strange to mount a horse, bicycle or motorbike from the right hand side as your body feels like it's leading with the left hand side (heart side) which it doesn't like to do.

I reckon that's why all side stands are on the left, would also explain why all manufacturers regardless of what side of the road they drove on put their side stands on the left.