The STIHL MS 251 WOOD BOSS® Chainsaw is designed to deliver all the power you’d expect from STIHL equipment, yet with a comfortable and ergonomic design. The MS 251 WOOD BOSS® is perfect for felling small trees, pruning and thinning, and cutting firewood simply and efficiently. And with up to 20 percent fuel savings and 50 percent reduced emissions (as compared to previous models), you can enjoy a longer run time while feeling good about your impact on the environment. Features like a Master Control Lever™ and reduced vibration make the STIHL MS 251 WOOD BOSS® a lean, easy-to-use machine that still packs plenty of power. DISPLACEMENT 45.6 cc (2.78 cu. in.) ENGINE POWER 2.2 kW (3.0 bhp) POWERHEAD WEIGHT 4.9 kg (10.8 lbs.) FUEL CAPACITY 390 cc (13.2 oz.) CHAIN OIL CAPACITY 198 cc (6.7 oz.) OILOMATIC® CHAIN .325" RM3 GUIDE BAR LENGTHS (Recommended ranges) 40 to 45 cm (16" to 18") STIHL ROLLOMATIC® POWER SOURCE Gas. Specifications POWER SOURCE Gas POWERHEAD WEIGHT 11.0 lbs. GUIDE BAR LENGTH (Recommended) 18 in. OILOMATIC® CHAIN .325" RM3 CHAIN OIL CAPACITY 6.7 oz. ENGINE POWER 3.0 bhp FUEL CAPACITY 13.2 oz. DISPLACEMENT 45.6 cc Note: STIHL recommends #3695 (23 RM3 68) OILOMATIC® saw chain and 18" 3005 810 7017 ROLLOMATIC® E guide bar combination. Compatible guide bar ranges: 16" to 18". The actual listed guide bar length can vary from the effective cutting length based on which powerhead it is installed on.
