The STIHL MS 251 WOOD BOSS is designed to deliver all the power you expect from professional equipment with a comfortable, ergonomic design. Perfect for felling small trees, pruning, thinning, and cutting firewood simply and efficiently, this saw is a standout in its class.
Engineered for sustainability and performance, the MS 251 WOOD BOSS offers up to a 20 percent increase in fuel savings and a 50 percent reduction in exhaust emissions compared to previous models. With a 45.6 cc engine producing 3.0 bhp, this saw provides a long run time and a "lean" feel while still packing plenty of power for demanding residential tasks.
Key Features & Benefits
Efficiency & Environment
- Fuel Efficient Engine: Advanced technology provides up to 20% better fuel economy and 50% lower emissions compared to previous models.
- IntelliCarb Compensating Carburetor: Automatically adjusts the air/fuel ratio to maintain steady engine RPM even as the air filter becomes dirty.
- Toolless Fuel and Oil Caps: Featuring easy-to-lift levers, these caps allow you to refuel or add oil by hand without needing tools.
Operator Comfort & Control
- Master Control Lever: A single, convenient lever that manages the choke, starting throttle lock, and on-off switch for streamlined operation.
- Anti-Vibration System: Specifically developed to minimize vibration levels, reducing operator fatigue and ensuring a more comfortable woodcutting experience.
- Bumper Spikes: Integrated spikes provide better control and help prevent pull-in, making every cut easier and safer.
Durable Construction
- High-Tech Polymer Housing: Lightweight yet incredibly durable, these housings are impact-resistant and corrosion-proof to withstand years of use.
- Throttle Trigger Lockout: An essential safety feature that requires manual depression before the trigger can be activated.
- Made in America: A majority of STIHL products sold in America are made in America of U.S. and global materials.
Technical Specifications
| Intended Use | Homeowner |
| Displacement | 45.6 cc |
| Engine Power | 3.0 bhp |
| Powerhead Weight | 11.0 lbs. |
| Fuel Capacity | 13.2 oz. |
| Chain Oil Capacity | 6.7 oz. |
| Recommended Bar Length | 18 in. |
| Chain Type | .325" RM3 |