Stihl 1128 · Assembly · 11 of 15 · 38 parts
Carburetor HD-50, HD-51
Fits MS 461.
Parts (38)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 4116 121 5100 | Inlet needle | 1 |
| 2 | 4116 121 5000 | Inlet control lever | 1 |
| 3 | 1128 122 3002 | Spring | 1 |
| 4 | 1113 121 9200 | Spindle | 1 |
| 5 | 1114 122 7400 | Round head screw | 1 |
| 6 | 4117 122 9402 | Plug | 1 |
| 7 | 1128 129 0906 | Gasket | 1 |
| 8 | 4116 121 4700 | Metering diaphragm | 1 |
| 9 | 1128 121 0801 | End cover | 1 |
| 10 | 1121 122 7101 | Screw | 4 |
| 11 | 1114 121 7800 | Strainer | 1 |
| 12 | 4116 121 4800 | Pump diaphragm | 1 |
| 13 | 4116 129 0902 | Gasket | 1 |
| 14 | 1127 122 3205 | Torsion spring | 1 |
| 15 | 1127 120 7100 | Throttle shaft with lever | 1 |
| 16 | 1117 122 9000 | E-clip | 1 |
| 17 | 1128 121 3302 | Throttle shutter | 1 |
| 18 | 4224 122 7801 | Oval head screw | 1 |
| 19 | 1128 122 3207 | Torsion spring | 1 |
| 20 | 1128 120 7202 | Choke shaft with lever | 1 |
| 21 | 1123 122 9000 | E-clip | 1 |
| 22 | 1122 121 2900 | Choke shutter | 1 |
| 23 | 1121 122 7102 | Round head screw | 1 |
| 24 | 1127 122 6200 | Idle speed screw | 1 |
| 25 | 1127 121 0800 | End cover | 1 |
| 26 | 1114 122 7100 | Screw | 1 |
| 27 | 1128 122 3003 | Spring BR | 2 |
| 28 | 1128 122 6704 | High speed screw Contains item(s): 32; BR | 1 |
| 29 | 1128 122 6809 | Low speed screw Contains item(s): 32; BR | 1 |
| 30 | 4203 122 6703 | High speed screw Contains item(s): 32 | 1 |
| 31 | 1128 122 6808 | Low speed screw Contains item(s): 32 | 1 |
| 32 | not sold separately | Sealing ring | 1 |
| 33 | 4203 121 2700 | Cap | 2 |
| 34 | 1127 121 5602 | Fixed jet 0.58 | 1 |
| 35 | 1122 121 5604 | Fixed jet 0.64 BR | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | 1128 120 0629 | Carburetor HD-50A Contains item(s): 1 - 26, 30 - 34 | 1 |
| — | 1128 120 0630 | Carburetor HD-51A Contains item(s): 1 - 29, 32, 35; BR | 1 |
| — | 1128 007 1066 | Set of carburetor parts Contains item(s): 1 - 3, 7, 8, 11 - 13, 27 | 1 |
Parts are not interchangeable across engine series — check yours before ordering.
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