Stihl MS171 Parts

Stihl MS171 Specs

Weight for powerhead only: 4.3 kg (9.5 lbs.)

Chain oil tank capacity: 180 cc (6.1 oz.)

Displacement: 31.8 cc (1.94 cu. in.)

Horse power: 1.7 bhp

Fuel mix: 50:1 with Stihl 2 cycle oil

Fuel tank capacity: 280 cc (9.5 oz.)

Standard Cylinder Diameter: 37mm

Cylinder construction: chrome plated aluminum

Crankcase construction: cast magnesium

Standard chain pitch: 3/8" PMMC3

Stihl MS171 Chainsaw Parts Lookup List

1139 120 1602 Air filter

1139 124 0800 Pre filter

1139 141 4702 Air filter top cover

12" Bar - 3/8”, Gauge .050"

12" Bar - 3/8”, Gauge .043"

14" Bar - 3/8”, Gauge .050"

14" Bar - 3/8”, Gauge .043"

16" Bar - 3/8”, Gauge .050"

16" Bar - 3/8”, Gauge .043"

12" Chain - 3/8”, Gauge .050", Drive Links 44

12" Chain - 3/8”, Gauge .043", Drive Links 44

14" Chain - 3/8", Gauge .050", Drive Links 50

14" Chain - 3/8”, Gauge .043", Drive Links 50

16" Chain - 3/8”, Gauge .050", Drive Links 55

16" Chain - 3/8”, Gauge .043", Drive Links 55

Zama Carburetor models:
C1Q-S269
C1Q-S238
C1Q-S217A
C1Q-S123C

0000 955 0801 Bar nut

1123 664 2400 Bar stud

1123 664 0500 Bucking spikes

1123 007 1000 Chain adjuster

1139 160 5400 Chain brake assembly

1139 020 1200 Cylinder and piston (37mm)

1139 020 1204 Cylinder and piston (38mm)

1139 141 3201 Exhaust gasket cooling plate

1139 400 1201 Flywheel

0000 350 0525 Fuel cap

0000 350 3500 / 0000 350 3504 Fuel filter

1139 358 7700 Fuel line

1139 358 7706 Fuel line

0000 350 5802 Fuel tank vent

1139 400 1307 Ignition coil

1139 007 1800 Maintenance kit

1139 140 0602 Muffler

0000 350 0526 Oil cap

1139 030 2003 Piston kit (37 mm)

1139 030 2006 Piston kit (38mm)

1139 640 1700 Sprocket cover

9512 933 2260 Sprocket needle bearing cage (10x13x10)

1139 080 2102 Starter assembly

1129 190 0601 Starter spring

1123 195 0400 Starter pulley

1125 195 7200 Starter pawl

1118 195 3500 Spring clip

1121 195 3400 / 0000 190 3402 Starter handle

Champion RZ7C spark plug

NGK CMR6H spark plug