STIHL - Spare Parts - 1140-140-0651 - MUFFLER

Compatibility

Fits 2 STIHL models: STIHL MS 311 Chainsaw and STIHL MS 391 Chainsaw (Displacement: 3.6–3.9 cu-in, Power: 3.1–3.3 kW, Engine power: 4.2–4.5 HP, Device weight without refuelling: 13.8 lb (without guide bar and saw chain), Power-to-weight ratio: 1.9–2 kg/kW, Saw chain pitch: 3/8", Device length with bumper spike: 458 mm (without guide bar and saw chain)).