Crankcase diagram
Part #29774
Replaced by #29774
Crankcase diagram
Part #650123
Replaced by #651081
Crankcase diagram
Part #510105
Replaced by #510319
Engine / chain and guide bar diagram
Part #319H
The manufacturer no longer makes this part, and there's no substitute part
Carburetor diagram
Part #630978
Replaced by #49-002
Crankcase diagram
Part #510109
Replaced by #510109A
Crankcase diagram
Part #510106
Replaced by #510106A
Carburetor diagram
Part #630739
Replaced by #630739
Crankcase diagram
Part #650272
Replaced by #650517
Carburetor diagram
Part #630751
Replaced by #630751