STIHL Parts & Spec Guide Unofficial
← 034 · 036 · MS 340/360

Stihl 1125 · Section O · 14 of 17 · 39 parts

Carburetor C3A-S31E

Fits 036 QS.

Position —

Go to table row → Where else is this used →
1101112131415161718192202122232425272829293303132333435363738456789
Tap a numbered callout to jump to that part. Scroll or pinch to zoom.

Parts (39)

PosPart numberDescriptionQty
1 1120 122 7800 Oval head screw 1
2 1125 121 0802 End cover 1
3 1125 129 0900 Gasket 1
4 1128 121 4802 Pump diaphragm 1
5 1123 121 7800 Strainer 1
6 4116 121 5100 Inlet needle 1
7 1120 122 3004 Spring 1
8 1125 121 5000 Inlet control lever 1
9 1125 129 0901 Gasket 1
10 1125 121 4700 Metering diaphragm 1
11 1120 121 9200 Spindle 1
12 1120 122 6600 Collar screw 1
13 1125 121 5408 Valve jet 0.58 1
14 1123 121 0700 Cup plug 1
15 1125 121 0804 End cover 1
16 1120 122 6601 Collar screw 4
17 1125 122 4200 Clamp 1
18 1125 122 3202 Torsion spring 1
19 1125 120 7101 Throttle shaft with lever 1
20 1125 122 9001 E-clip 1
21 1125 121 3301 Throttle shutter 1
22 1125 122 7402 Round head screw 1
23 1125 122 3203 Torsion spring 1
24 1125 120 7201 Choke shaft with lever 1
25 1125 122 9003 E-clip 1
27 1125 122 7403 Round head screw 1
28 1125 122 6200 Idle speed adjustment screw 1
29 1120 122 3005 Spring 2
30 1125 122 6702 High speed adjustment screw 1
31 1125 122 6802 Low speed adjustment screw 1
32 1125 121 5409 Valve jet 0.56 option 1
33 1125 121 5402 Valve jet 0.60 1
34 1125 122 6701 High speed adjustment screw 1
35 1125 122 6801 Low speed adjustment screw 1
36 1125 121 5404 Valve jet 1
37 1125 121 0803 End cover 1
38 4132 122 6600 Collar screw 4
Not numbered on the diagram — assemblies, kits and options
— 1125 120 0613 Carburetor C3A-S31E 1
— 1128 007 1065 Set of carburetor parts 1

2012 service parts catalogue. Parts are not interchangeable across engine series — check yours before ordering.

Wrong number or missing part for the 036 QS? Report a correction →