The STIHL MS 251 WOOD BOSS® Chainsaw is powerful, fuel-efficient and easy to use. Ergonomically designed to bring you maximum comfort during use, this tool produces 50 percent less emissions (as compared to previous models) for a smaller impact on the environment. The MS 251 WOOD BOSS® packs features like a Master Control Lever™ and easy-to-refill fuel and oil tanks, so you can worry less about starting and operating your equipment, and have more time getting your outdoor jobs done.
| STIHL MS 251 WOOD BOSS® Specifications | |
| 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 |