Hi Tassie Dan,

That starter top is used for the recoil starter that bolts to the top of the cowl.

Image of recoil starter here https://www.outdoorking-forum.com.au/forum/ubbthreads.php/topics/74594/Lawn_Patrol.html

The slot looks like you can use a rope for emergencies but it is a little low so would be a little difficult starting.

Image below of the original pulley (rope) start.

Cheers
Max.

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