Carburetor diagram
Part #631021
Replaced by #631021B
Basic engine diagram
Part #631668
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Part #631668
Replaced by #632795A
Carburetor diagram
Part #631023
Replaced by #632019A
Carburetor diagram
Part #631038
Replaced by #632527
Carburetor diagram
Part #631024
Unit parts diagram
Part #590442
Replaced by #590701
Unit parts diagram
Part #590443
Replaced by #590701
Basic engine diagram
Part #27244
The manufacturer no longer makes this part, and there's no substitute part
Carburetor diagram
Part #27554