#NI13
All parts diagram
Part #12-757-33-S
Air intake diagram
Part #20-083-02-S
Replaced by #20-083-06-S
Engine controls diagram
Part #25-158-11-S
Fuel system diagram
Part #12-041-01-S
Cylinder head/valve/breather diagram
Part #20-041-13-S
Crankcase diagram
Part #25-139-57-S
Engine controls diagram
Part #25-158-08-S
#NI11
All parts diagram
Part #12-757-02-S
Ignition/electrical diagram
Part #20-584-01-S
Replaced by #20-584-03-S
Part #12-089-11-S