Stihl 4118 · Section C · 3 of 7 · 46 parts
Carburetor, Air filter
Fits FS 50, FS 51.
No exploded view for this assembly. The catalogue lists its parts without a drawing.
Parts (46)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 4211 129 0900 | Gasket | 1 |
| 2 | 1114 121 7800 | Strainer | 1 |
| 3 | 1120 121 4805 | Pump diaphragm | 1 |
| 4 | 1120 129 0905 | Gasket | 1 |
| 5 | 4117 121 0803 | End cover | 1 |
| 6 | 1114 122 7100 | Screw | 1 |
| 7 | 4117 122 3006 | Spring | 1 |
| 8 | 4117 122 6200 | Idle speed adjustment screw | 1 |
| 9 | 1110 121 5100 | Inlet needle | 1 |
| 10 | 1120 122 3001 | Spring | 1 |
| 11 | 1113 121 5000 | Inlet control lever | 1 |
| 12 | 1113 121 9200 | Spindle | 1 |
| 13 | 1114 122 7400 | Round head screw | 1 |
| 14 | 4117 122 9402 | Plug | 1 |
| 15 | 1120 121 5405 | Valve jet | 1 |
| 16 | 1120 129 0900 | Gasket | 1 |
| 17 | 1113 121 4705 | Metering diaphragm | 1 |
| 18 | 1113 121 0800 | End cover | 1 |
| 19 | 1115 122 7101 | Round head screw | 4 |
| 20 | 4117 122 3200 | Torsion spring | 1 |
| 21 | 4117 120 7100 | Throttle shaft with lever | 1 |
| 22 | 4117 121 3300 | Throttle shutter | 1 |
| 23 | 1110 122 7400 | Round head screw | 2 |
| 24 | 4117 121 8900 | Pin | 1 |
| 25 | 1117 122 9000 | E-clip | 2 |
| 27 | 1120 121 2402 | Spring | 1 |
| 28 | 1120 122 3600 NLA | Sealing ring | 1 |
| 29 | 1120 121 5801 | Pump piston | 1 |
| 31 | 4117 121 2900 | Choke shutter | 1 |
| 32 | 1116 122 3000 | Spring | 1 |
| 33 | 1116 122 4200 | Ball | 1 |
| 34 | 4117 122 3002 | Spring | 1 |
| 35 | 1120 122 6805 | Low speed adjustment screw | 1 |
| 36 | 4117 122 3007 | Spring | 1 |
| 37 | 1120 122 6705 | High speed adjustment screw | 1 |
| 38 | 4117 123 7300 | Lever | 1 |
| 39 | 4114 149 1205 | Gasket | 1 |
| 40 | 4114 141 0805 | Filter housing | 1 |
| 41 | 4114 121 7000 | Baffle plate | 1 |
| 42 | 9049 319 1120 | Pan head screw M5x55 | 2 |
| 43 | 4114 124 0806 | Filter | 1 |
| 44 | 4114 124 0805 | Filter | 1 |
| 45 | 4114 124 3605 | Filter cover | 1 |
| 46 | 9291 021 0100 | Washer 4.3 | 2 |
| 47 | 9048 319 0710 | Pan head screw M4x20 | 2 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | 4117 120 0605 | Carburetor WT-38B | 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 NLA = withdrawn by STIHL before 2012.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 FS 50, FS 51? Report a correction →