Oil pan diagram
Part #X-75-10
Replaced by #25-139-57-S
Carburetor diagram
Part #2504103
Replaced by #25-041-03-S
Oil filter diagram
Part #5205002
Fuel pump diagram
Part #2535303
Replaced by #25-353-03-S
Part #271030
Replaced by #271030-S
Part #5203210
Replaced by #52-032-10-S
Carburetor diagram
Part #2575709
Replaced by #25-757-09-S
Fuel pump diagram
Part #2504109
Replaced by #25-041-10-S
Governor diagram
Part #A-235743-S
Part #2515502
The manufacturer no longer makes this part, and there's no substitute part