MS660
For MS660, bar length is 25"; pitch is 3/8"; gauge is 1.6mm; drive links is 84, verified against its source on 2026-08-05.
- Model
- MS660
- Bar length
- 25"
- Pitch
- 3/8"
- Gauge
- 1.6mm
- Drive links
- 84
What the source says
MS650,MS660 | 16" 18" 20" 25" 30" 36" | 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" | 1.6mm 1.6mm 1.6mm 1.6mm 1.6mm 1.6mm | 60 66 72 84 98 114 |
— lsengineers.co.uk, retrieved 2026-08-05
Source
- lsengineers.co.ukhttps://www.lsengineers.co.uk/advice-centre/stihl-chain-selector