A Serf 535 would be ok. They did have an electric start option on those. A Yeoman would work for her too. Consider a repower with a 110v starter you would connect with an extension cord.
The earliest small frame Simplicity with a hydro would be a 4212, or something in that era.
The earliest small frame Simplicity with a hydro would be a 4212, or something in that era.