Stihl model · engine series 1102
BLK 57
98 cc, Pallas carb; 105 cc BLK 58 = types 1103–1105
The production, market and rarity details above are specific to the BLK 57 roster record. The chain, bar and displacement figures below are the published family fitment for engine series 1102; confirm the pitch, gauge and drive-link count stamped on your installed bar before ordering.
Family fitment specs
Chains & bars that fit the BLK 57
Pitch & gauge .404″ (≈) · recommended bar 18–24″ · round file 7/32" (5.5 mm)
Files, oil & sharpening
Suggested match: Oregon 27/59-series. Confirm the drive-link count for your exact bar length before ordering. These are equivalent aftermarket (Oregon) chains, not genuine STIHL chain — STIHL sells its own chain through its dealer network, and we're not affiliated with STIHL. New to pitch & cutter types? See the chain & cutter guide.
Some links earn us a commission. It never changes the specs or what we recommend.
Data confidence
Chain, bar and displacement confidence applies to the shared BLK family data.
Something wrong or missing for the BLK 57? Report a correction →