STIHL MSA 161 T replacement chain and bar size
Verified factory configuration for the AP System model/configuration.
Factory configuration
- Bar length
- 12 in
- Pitch
- 1/4 STIHL PICCO
- Gauge
- 0.043 in
- Drive links
- 65
- OEM chain
- 71 PM3 65
- OEM bar
- 3005 008 3405
Configuration and revision caveat
Manufacturer-recommended 12-inch professional top-handle configuration; in-tree professional use only; verify installed bar
Replacement chain check for the STIHL MSA 161 T
Start with the factory configuration above: 12 in bar, 1/4 STIHL PICCO pitch, 0.043 gauge, and 65 drive links. The cited OEM chain part is 71 PM3 65. This applies only to the cited configuration; Manufacturer-recommended 12-inch professional top-handle configuration; in-tree professional use only; verify installed bar
- Remove the battery and read the installed guide-bar stamp.
- Match pitch, gauge, and drive-link count to this page.
- If the bar has been replaced or its stamp differs, stop and use the installed-bar specifications instead.
How we verified this
Opened 2025 catalog; printed page 167/PDF page 85, STIHL battery-powered models table
Open manufacturer source (manufacturer catalog; checked 2026-08-12).
See models with this exact pitch, gauge and drive-link signature