installation?

I purchased a new clutch to mount on my 5/8th. in. shaft 3 hp. Briggs and Stratton engine for my basic 'lil indian minibike. The clutch seems only to be able to be installed with the sprocket on the outboard side as the allen set screws are on the inboard side and neither the keeway nor the...

i picked up a 6° key and was wondering if the step goes on the left or right side. i'm thinking it's the left, but not 100% sure.