Stihl 1140 · Section K · 10 of 11 · 37 parts
Carburetor WTE-9
Fits MS 311, MS 391.
Parts (37)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 4116 121 5100 | Inlet needle | 1 |
| 2 | 4116 122 3000 | Spring | 1 |
| 3 | 1121 121 5000 | Inlet control lever | 1 |
| 4 | 1113 121 9200 | Spindle | 1 |
| 5 | 1121 122 7103 | Round head screw | 1 |
| 6 | 4133 129 0901 | Gasket | 1 |
| 7 | 1121 121 4700 | Metering diaphragm | 1 |
| 8 | 1120 129 0905 | Gasket | 1 |
| 9 | 1121 121 4801 | Pump diaphragm | 1 |
| 10 | 1140 120 0202 | Air valve housing | 1 |
| 11 | 1121 122 7101 | Screw | 4 |
| 12 | 1114 121 7800 | Strainer | 1 |
| 13 | 1140 120 0800 | End cover | 1 |
| 14 | 1114 122 7100 | Screw | 1 |
| 15 | 1140 120 7100 | Throttle shaft with lever | 1 |
| 16 | 1140 121 2700 | Cap | 1 |
| 17 | 1140 122 3200 | Torsion spring | 1 |
| 18 | 1140 121 3300 | Throttle shutter | 1 |
| 19 | 4224 122 7801 | Oval head screw | 1 |
| 20 | 4203 121 2700 | Cap | 1 |
| 21 | 1140 122 6700 | High speed adjustment screw | 1 |
| 22 | 1140 122 6800 | Low speed adjustment screw | 1 |
| 23 | 1115 122 3002 | Spring | 1 |
| 24 | 1111 121 8605 | Washer | 1 |
| 25 | 4124 122 3600 | Sealing ring | 1 |
| 26 | 1140 122 6200 | Idle speed adjustment screw | 1 |
| 27 | 1140 120 9700 | Pump piston kit | 1 |
| 28 | 1117 122 9000 | E-clip | 3 |
| 29 | 1140 121 2900 | Choke shutter | 1 |
| 30 | 1121 122 7102 | Round head screw | 2 |
| 31 | 1140 122 3201 | Torsion spring | 1 |
| 32 | 1140 120 7200 | Choke shaft with lever | 1 |
| 33 | 1140 121 3500 | Throttle lever | 1 |
| 34 | 1140 122 3202 | Torsion spring | 1 |
| 35 | 1140 121 3502 | Throttle lever | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | 1140 120 0601 | Carburetor WTE-9 | 1 |
| — | 1140 007 1004 | 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 MS 311, MS 391? Report a correction →