Stihl engine series 1101 · VT

BL

Displacement≈90 cc

Guide bar18–24″

Chain.404″ (≈)

Production1950–1959

Chains & bars that fit the BL

Pitch & gauge .404″ (≈) · recommended bar 18–24″ · round file 7/32" (5.5 mm)

Replacement chain → Guide bar →

Files, oil & sharpening

Round file 7/32" (5.5 mm) → Bar & chain oil → 2-in-1 sharpener →

Suggested match: Oregon 27/59-series. 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 (1)

Model	Years	Market	Rarity	Notes
BL	1950–59	EU	Rare	First numbered series, single-man

Data confidence

Provenance for this family's figures — verify anything tagged estimated, approx, or stale-risk against STIHL spec sheets.

displacement · approxbar real-world · estimatedchain · estimateddates · sourcedvariants · sourced