toro 32" walkbehind needs new motor

[mower&more1986]

Im looking to buy a toro 32" walkbehind the briggs on it doesent run well
but the rest of the mower is great. any sugestion where i can get a new motor and what kind:confused: I did take small engines back high school

[Restrorob]

Check the links in this post;

http://www.lawnsite.com/showpost.php?p=1939163&postcount=7

[mower&more1986]

Thank you:)