# MS 261 — Stihl chainsaw chain and bar specifications by model

For MS 261, bar length is 20"; pitch is .325"; gauge is .063"; drive links is 81; stihl chain part number is 3634 005 0081, verified against its source on 2026-08-05.

- **Model:** MS 261
- **Bar length:** 20"
- **Pitch:** .325"
- **Gauge:** .063"
- **Drive links:** 81
- **STIHL chain part number:** 3634 005 0081

## What the source says

> MS 261 Pitch: .325" | Gauge: .063 | Sprocket: 8 | File: 3/16" Top Len DL STIHL Chain Replacement Chain STIHL Bar Replacement Bar Bar & Chain Combo 15" 63 - - - <https://powermowersales.com/BAR-15IN-VERSACUT-325-SERIES-153VXLGD025> 153VXLGD025 - 16" 67 3634 005 0067 <https://powermowersales.com/Stens-096-567> 096-567 3003 008 6813 <https://powermowersales.com/Stens-075-1607> 075-1607 <https://powermowersales.com/Stens-076-1677> 076-1677 18" 74 3634 005 0074 <https://powermowersales.com/Stens-096-574> 096-574 3003 000 6817 <https://powermowersales.com/Stens-075-1807> 075-1807 <https://powermowersales.com/Stens-076-1867> 076-1867 20" 81 3634 005 0081

## Source

- https://powermowersales.com/stihl-chainsaw-bar-chain-guide

Last verified: 2026-08-05. Review by: 2028-08-04.
Part of [Stihl chainsaw chain and bar specifications by model](https://referencesource.org/stihl-chainsaw-chain-and-bar-specs/).