Illustrated parts lookup for Husqvarna 66 chainsaw parts lookup. Parts lists are in order by publication date.
Husqvarna 66 specs
First production year: 1987
Last production year: 1991
Displacement: 66.7cc
Cylinder diameter: 50mm
RPM: 12,500
Fuel mix ratio: 40:1
Husqvarna 66 Chainsaw 08 - 1988
Husqvarna 66 Chainsaw 02 - 1989
Husqvarna 66 Chainsaw 03 - 1991
Popular parts
501 80 71-01 / 501 80 71-02 / 501 80 71-04 / 501 80 71-05 Air filter
503 22 00-01 Bar Nuts
503 59 07-01 Outer bucking spikes
503 59 08-01 Inner bucking spikes
501 52 77-01 Carburetor (Tillotson HS-163A)
503 28 03-13 Carburetor (Tillotson HS-224A)
Tillotson RK-23HS carburetor Kit (for HS series)
501 29 64-03 / 501 29 64-03 Carburetor mount gasket
501 53 71-01 Chain adjuster
501 77 85-01 / 501 77 85-02 Clutch
501 51 40-01 Clutch drum sprocket (3/8” pitch x 7 T.)
501 83 15-02 Clutch drum sprocket (3/8” pitch x 7 T.)
501 83 15-01 Clutch drum sprocket (3/8” pitch x 8 T.)
501 67 41-01 Clutch drum sprocket (3/8” pitch x 8 T.)
503 61 10-71 Cylinder Kit (50mm)
501 51 22-03 Cylinder gasket
501 52 25-04 Exhaust gasket
501 43 14-02 Fuel cap
503 44 32-01 Fuel filter
501 28 59-02 Fuel line
501 51 61-01 / 501 51 61-02 Ignition coil
503 59 03-02 Muffler
501 65 77-02 Muffler
501 62 66-02 Oil cap
501 51 25-01 Oil pump
503 44 83-71 Piston kit (50mm)
503 28 90-17 / 503 44 84-01 / 501 69 98-01 Piston ring (50mm)
530 23 51-08 Champion RCJ7Y Spark plug
501 77 67-02 Starter assembly
503 54 39-01 Starter handle
503 10 24-02 Starter pulley
501 52 04-02 Starter spring
Last production year: 1991
Displacement: 66.7cc
Cylinder diameter: 50mm
RPM: 12,500
Fuel mix ratio: 40:1
Husqvarna 66 parts lists
Husqvarna 66 Chainsaw 06 - 1987Husqvarna 66 Chainsaw 08 - 1988
Husqvarna 66 Chainsaw 02 - 1989
Husqvarna 66 Chainsaw 03 - 1991
Popular parts
501 80 71-01 / 501 80 71-02 / 501 80 71-04 / 501 80 71-05 Air filter
503 22 00-01 Bar Nuts
503 59 07-01 Outer bucking spikes
503 59 08-01 Inner bucking spikes
501 52 77-01 Carburetor (Tillotson HS-163A)
503 28 03-13 Carburetor (Tillotson HS-224A)
Tillotson RK-23HS carburetor Kit (for HS series)
501 29 64-03 / 501 29 64-03 Carburetor mount gasket
501 53 71-01 Chain adjuster
501 77 85-01 / 501 77 85-02 Clutch
501 51 40-01 Clutch drum sprocket (3/8” pitch x 7 T.)
501 83 15-02 Clutch drum sprocket (3/8” pitch x 7 T.)
501 83 15-01 Clutch drum sprocket (3/8” pitch x 8 T.)
501 67 41-01 Clutch drum sprocket (3/8” pitch x 8 T.)
503 61 10-71 Cylinder Kit (50mm)
501 51 22-03 Cylinder gasket
501 52 25-04 Exhaust gasket
501 43 14-02 Fuel cap
503 44 32-01 Fuel filter
501 28 59-02 Fuel line
501 51 61-01 / 501 51 61-02 Ignition coil
503 59 03-02 Muffler
501 65 77-02 Muffler
501 62 66-02 Oil cap
501 51 25-01 Oil pump
503 44 83-71 Piston kit (50mm)
503 28 90-17 / 503 44 84-01 / 501 69 98-01 Piston ring (50mm)
530 23 51-08 Champion RCJ7Y Spark plug
501 77 67-02 Starter assembly
503 54 39-01 Starter handle
503 10 24-02 Starter pulley
501 52 04-02 Starter spring