Stihl 1123 · Section B · 2 of 18 · 24 parts
Engine housing
Fits MS 250, MS 250 C.
Parts (24)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 1123 020 3003 | Engine housing | 1 |
| 2 | 1123 020 3027 | Engine housing | 1 |
| 3 | 1128 640 9100 | Valve | 1 |
| 4 | 1123 162 7800 | Flat spring | 1 |
| 5 | 1123 664 2400 | Collar screw | 2 |
| 6 | 1123 790 9900 | Annular buffer | 1 |
| 7 | 1123 790 9900 | Annular buffer | 2 |
| 8 | 9075 478 4155 | Pan head self-tapping screw IS-D5x24 | 3 |
| 9 | 1123 791 7300 | Plug | 3 |
| 10 | not sold separately | Spur gear not available as a separate item | 1 |
| 11 | not sold separately | Adjusting screw not available as a separate item | 1 |
| 12 | 1123 640 1900 | Tensioner slide | 1 |
| 13 | 1123 664 1400 | Thrust pad | 1 |
| 14 | 1123 664 2200 | Cover | 1 |
| 15 | 9075 478 3015 | Pan head self-tapping screw IS-D4x15 | 1 |
| 16 | 0000 350 0526 | Filler cap | 1 |
| 17 | 9645 948 2470 | O-ring 23x3 | 1 |
| 18 | 0000 350 0525 | Filler cap | 1 |
| 19 | 9645 948 7734 | O-ring 25x3.5 | 1 |
| 20 | 1123 358 7703 | Hose | 1 |
| 21 | 0000 350 3500 | Pickup body | 1 |
| 22 | 0000 967 3662 | Warning pictogram MS | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | 1123 007 1000 | Chain tensioner kit option | 1 |
| — | 1123 007 1004 | Spur gear / chain adjusting screw kit | 1 |
2012 service parts catalogue. Parts are not interchangeable across engine series — check yours before ordering.
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