Stihl 4226 · Section F · 6 of 17 · 36 parts
Carburetor WT-412 A
Fits HS 75, HS 80, HS 85.
Parts (36)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 4133 121 5400 | Valve jet | 1 |
| 2 | 4117 122 9402 | Plug | 1 |
| 3 | 1110 121 5100 | Inlet needle | 1 |
| 4 | 1120 122 3001 | Spring | 1 |
| 5 | 1113 121 5000 | Inlet control lever | 1 |
| 6 | 1113 121 9200 | Spindle | 1 |
| 7 | 1114 122 7400 | Round head screw | 1 |
| 8 | 4133 129 0901 | Gasket | 1 |
| 9 | 1113 121 4705 | Metering diaphragm | 1 |
| 10 | 4133 120 2201 | Flange | 1 |
| 11 | 4133 121 5200 | Valve | 1 |
| 12 | 4133 120 8600 | Non-return valve | 1 |
| 13 | 4133 121 2700 | Cap | 1 |
| 14 | 4133 121 0801 | End cover | 1 |
| 15 | 4133 122 7400 | Round head screw | 4 |
| 16 | 1114 121 7800 | Strainer | 1 |
| 17 | 1120 121 4805 | Pump diaphragm | 1 |
| 18 | 1120 129 0905 | Gasket | 1 |
| 19 | 4117 121 0803 | End cover | 1 |
| 20 | 1114 122 7100 | Screw | 1 |
| 21 | 4117 122 3006 | Spring | 1 |
| 22 | 4117 122 6200 | Idle speed adjustment screw | 1 |
| 23 | 4133 122 3200 | Torsion spring | 1 |
| 24 | 1117 122 9000 | E-clip | 2 |
| 25 | 4211 120 7100 | Throttle shaft with lever | 1 |
| 27 | 4215 121 8900 | Pin | 1 |
| 29 | 4117 122 3007 | Spring | 1 |
| 30 | 1120 122 6705 | High speed adjustment screw | 1 |
| 31 | 4119 122 6801 | Low speed adjustment screw | 1 |
| 32 | 1115 122 3002 | Spring | 1 |
| 33 | 4117 121 3300 | Throttle shutter | 1 |
| 34 | 1110 122 7400 | Round head screw | 1 |
| 35 | 4130 121 8600 | Washer | 1 |
| 36 | 4226 120 8701 | Control valve | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | not sold separately | Carburetor WT-412A no longer available from factory | 1 |
| — | 4133 007 1060 | 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 HS 75, HS 80, HS 85? Report a correction →