Stihl engine series 1133 · FR
MS 270 · MS 280
Displacement50.2–54.6 cc
Guide bar16–20″
Chain.325″ / 3/8″
Production2003–2010
Chains & bars that fit the MS 270 · MS 280
Pitch & gauge .325″ / 3/8″ · recommended bar 16–20″ · round file 3/16" (4.8 mm)
Files, oil & sharpening
Suggested match: Oregon 95-series (95VPX) / 21–22 LPX. Confirm the drive-link count for your exact bar length before ordering. Genuine STIHL chain isn't sold online — these are equivalent aftermarket (Oregon) specs.
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Models in this family (2)
| Model | Years | Market | Rarity | Notes |
|---|---|---|---|---|
| MS 270 | 2003–10 | EU/Global | Common (EU) | ~50.2 cc |
| MS 280 | 2003–10 | EU/Global | Common (EU) | Larger sibling |
Data confidence
Provenance for this family's figures — verify anything tagged estimated, approx, or stale-risk against STIHL spec sheets.