Main frame diagram
Part #319H
The manufacturer no longer makes this part, and there's no substitute part
Carburetor crankcase diagram
Part #510105
Replaced by #510319
Carburetor crankcase diagram
Part #510109
Replaced by #510109A
Carburetor crankcase diagram
Part #650272
Replaced by #650517
Carburetor crankcase diagram
Part #510106
Replaced by #510106A
Rewind starter no. 590291 diagram
Part #590288
Replaced by #31-904
Carburetor crankcase diagram
Part #510110
Replaced by #510110A
Carburetor crankcase diagram
Part #510119
Replaced by #510119A
Carburetor crankcase diagram
Part #650158
Replaced by #650454
Part #650127
Replaced by #650597