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
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