Craftsman Snowblower 28"/8hp (Nepean, Tanglewood)

Sears Craftsman 28" Snowblower, 8hp. Pull start.
I have not used it much for several years. Turns over but it did not want to run last year.
I think it may need a tune-up or newer gas.
I have a snowblowing contract this year so I don't need it.