Oil pan/lubrication diagram
Part #12-050-01-S
Replaced by #12-050-01-S1
Fuel system diagram
Part #25-050-22-S1
#NI12
All parts diagram
Part #12-757-33
Replaced by #12-757-33-S
Head/valve/breather diagram
Part #12-041-01
Replaced by #12-041-01-S
Engine controls diagram
Part #25-158-11
Replaced by #25-158-11-S
Head/valve/breather diagram
Part #20-041-13-S
Ignition/electrical diagram
Part #41-403-10-S
Replaced by #25-403-37-S
Engine controls diagram
Part #25-158-08
Replaced by #25-158-08-S
Crankshaft diagram
Part #X-42-15
Replaced by #X-42-15-S
Fuel system diagram
Part #25-237-14-S
Replaced by #25-237-31-S