Change oil, air filter oil filter plugs, drain fuel, strip down and clean carb replacing gaskets and diaphragms, renew fuel lines that are flexy pipe.
Drain coolant, refill with a/freeze, and new stat, new timing belt/tensioner, new tyres the list is endless, brakes.
You won't know full extent till you have a really good look, but the above is a minimum I would do.
tabetha