Stihl 1121 · Section N · 13 of 17 · 52 parts
Carburetor WT-427, WT-590, WT-195, WT-155
Fits 026.
Parts (52)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 4124 122 3600 | Sealing ring | 1 |
| 2 | 4130 121 8601 | Washer | 2 |
| 3 | 1115 122 3002 | Spring | 1 |
| 4 | 1121 122 6802 | Low speed adjustment screw | 1 |
| 5 | 4130 122 3600 | Sealing ring | 1 |
| 6 | 1115 122 3002 | Spring | 1 |
| 7 | 1121 122 6700 | High speed adjustment screw | 1 |
| 8 | not sold separately | Sealing ring not available as a separate item | 2 |
| 9 | 1121 122 6804 | Low speed adjustment screw | 1 |
| 10 | 1121 122 6702 | High speed adjustment screw | 1 |
| 11 | 4203 121 2700 | Cap | 2 |
| 12 | 1121 121 5400 | Valve jet 0.48 | 1 |
| 13 | 4116 121 5100 | Inlet needle | 1 |
| 14 | 1114 122 3005 | Spring | 1 |
| 15 | 1113 121 5000 | Inlet control lever | 1 |
| 16 | 1113 121 9200 | Spindle | 1 |
| 17 | 1114 122 7400 | Round head screw | 1 |
| 18 | 4117 122 9402 | Plug | 1 |
| 19 | 1120 129 0900 | Gasket | 1 |
| 20 | 1113 121 4705 | Metering diaphragm | 1 |
| 21 | 1121 121 0810 | End cover | 1 |
| 22 | 1125 430 0500 | Switch | 1 |
| 23 | 1121 122 4605 | Support | 1 |
| 24 | 1121 122 7101 | Screw | 4 |
| 25 | 1114 121 7800 | Strainer | 1 |
| 26 | 1121 121 4801 | Pump diaphragm | 1 |
| 27 | 1120 129 0905 | Gasket | 1 |
| 29 | 1122 121 7700 | Clamp | 1 |
| 30 | 1121 122 6205 | Idle speed adjustment screw | 1 |
| 31 | 1114 122 7100 | Screw | 1 |
| 32 | 1121 121 3301 | Throttle shutter | 1 |
| 33 | 1110 122 7400 | Round head screw | 1 |
| 34 | 1113 122 3205 | Torsion spring | 1 |
| 35 | 1121 120 7105 | Throttle shaft with lever | 1 |
| 36 | 1117 122 9000 | E-clip | 1 |
| 37 | 1121 121 5601 | Fixed jet 0.46 option | 1 |
| 38 | 1120 121 5405 | Valve jet | 1 |
| 39 | 1118 122 6700 | High speed adjustment screw | 1 |
| 40 | 1120 122 6805 | Low speed adjustment screw | 1 |
| 41 | 1121 121 0806 | End cover | 1 |
| 42 | 1121 122 4600 | Support | 1 |
| 43 | 1121 430 0501 | Switch | 1 |
| 44 | 1106 122 7400 | Round head screw | 4 |
| 45 | 1111 121 8605 | Washer | 1 |
| 46 | 1121 121 7805 | Strainer | 1 |
| 47 | 1110 121 5100 | Inlet needle | 1 |
| 48 | 1110 122 3030 | Spring | 1 |
| 49 | 1106 122 3000 | Spring | 1 |
| 50 | 1121 121 3300 | Throttle shutter | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | 1121 120 0612 | Carburetor WT-427 | 1 |
| — | 1121 120 0616 | Carburetor WT-590 | 1 |
| — | 1121 007 1062 | Set of carburetor parts | 1 |
2012 service parts catalogue. Parts are not interchangeable across engine series — check yours before ordering.
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