Stihl 1123 · Section C · 3 of 18 · 17 parts
Quick chain tensioner
Fits MS 250, MS 250 C.
Parts (17)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 1123 640 1700 NLA | Chain sprocket cover | 1 |
| 2 | 1123 648 3800 NLA | Cover plate | 1 |
| 3 | 1123 648 2202 NLA | Adjusting wheel | 1 |
| 4 | 9104 003 8600 NLA | Self-tapping screw P3x10 | 1 |
| 5 | 1121 660 1000 | Wing nut | 1 |
| 6 | not sold separately | Torsion spring not available as a separate item | 1 |
| 7 | not sold separately | Cap not available as a separate item | 1 |
| 8 | not sold separately | Handle not available as a separate item | 1 |
| 9 | not sold separately | Cylindrical pin 3m6x26 not available as a separate item | 2 |
| 10 | 1123 664 2402 NLA | Collar screw | 1 |
| 11 | 1123 660 3001 NLA | Tensioning gear | 1 |
| 12 | 9041 319 0600 NLA | Pan head screw M4x5 | 1 |
| 13 | 1123 664 0501 | Bumper spike | 1 |
| 14 | 9075 478 4115 | Pan head self-tapping screw IS-D5x16 | 2 |
| 15 | 1123 021 2800 | Insert | 1 |
| 16 | 0812 370 1000 | Screwdriver T27x120x70 | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | 1123 007 1008 NLA | Quick tensioner parts option | 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 NLA = withdrawn by STIHL before 2012.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 MS 250, MS 250 C? Report a correction →