Fuel type?

Recently acquired a macallister 484sp petrol lawnmower. Dont know whether it is a 2 stroke or 4 stroke engine. If its a 2 stroke engine i believe i need 2 stroke engine oil to add to the petrol. Anybody know if its 2 or 4 stroke engine. Reply would be greatly appreciated. Thanks
Richard Greenwood, May 2019
http://servicelink.org.uk/sites/default/files/Manuals/MPRM%2042%20and%2046SP_0.pdf

wetwet, June 2019