Stihl 1123 · Section S · 18 of 19 · 33 parts
Carburetor C1Q-S11G
Fits 021, 023, 025.
Change documented in Technical Information 13/1994 — Filler cap; hand guard; carburetor; muffler .
Parts (33)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 4119 121 5400 | Valve jet | 1 |
| 2 | 1123 121 0700 | Cup plug | 1 |
| 3 | 4116 121 5100 | Inlet needle | 1 |
| 4 | 1123 122 3001 | Spring | 1 |
| 5 | 1125 121 5000 | Inlet control lever | 1 |
| 6 | 1120 121 9200 | Spindle | 1 |
| 7 | 1120 122 6600 | Collar screw | 1 |
| 8 | 1123 129 0901 | Gasket | 1 |
| 9 | 1123 121 4700 | Metering diaphragm | 1 |
| 10 | 1123 121 0801 | End cover | 1 |
| 11 | 1120 122 6601 | Collar screw | 2 |
| 12 | 1123 121 7800 | Strainer | 1 |
| 13 | 1123 121 4800 | Pump diaphragm | 1 |
| 14 | 1123 129 0905 | Gasket | 1 |
| 15 | 1123 121 0800 | End cover | 1 |
| 16 | 1120 122 7800 | Oval head screw | 1 |
| 17 | 1125 122 4200 | Clamp | 1 |
| 18 | 1123 122 6200 | Idle speed adjustment screw | 1 |
| 19 | 1123 122 3000 | Spring | 1 |
| 20 | 1123 120 7100 | Throttle shaft with lever | 1 |
| 21 | 1123 121 3300 NLA | Throttle shutter → replaced by 4134 121 3300 TI 9/2003 | 1 |
| 22 | 1120 122 7400 | Round head screw | 1 |
| 23 | 1125 122 9001 | E-clip | 1 |
| 24 | 1123 122 6800 | Low speed adjustment screw | 1 |
| 25 | 1120 122 3005 | Spring | 2 |
| 26 | 1123 122 6700 | High speed adjustment screw | 1 |
| 27 | 1123 122 3200 | Torsion spring | 1 |
| 28 | 1123 120 7200 | Choke shaft with lever | 1 |
| 29 | 4119 121 2901 | Choke shutter | 1 |
| 30 | 1125 122 7403 | Round head screw | 1 |
| 31 | 1125 122 9002 | E-clip | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | not sold separately | Carburetor C1Q-S11G no longer available from factory | 1 |
| — | 1123 007 1060 | Set of carburetor parts | 1 |
2012 service parts catalogue. Parts are not interchangeable across engine series — check yours before ordering. NLA = withdrawn by STIHL before 2012.
Wrong number or missing part for the 021, 023, 025? Report a correction →