Well, why not just do a Google search for a manual? It would have taken you all of 2 minutes - oh, and the effort of doing it for yourself bu no, you were content to wait for someone to do it for you.
Start here:
http://www.tecumsehpower.com/CustomerService/BSI.pdf
https://www.scribd.com/doc/26830208/Tecumseh-Service-Manual
That'll do for starters. Plenty more out there if you are prepared to search
Anon, July 2016
