Stihl MS 251 Wood Boss Chainsaw - 45.6cc Gas Engine with 18in Guide Bar for Homeowners - STI-MS251KIT18

Stihl MS 251 Wood Boss Chainsaw - 45.6cc Gas Engine with 18in Guide Bar for Homeowners - STI-MS251KIT18

The Stihl MS 251 Wood Boss chainsaw delivers impressive power in an ergonomic design perfect for homeowners who need reliability for cutting firewood, felling small trees, and pruning. Its fuel-efficient engine technology extends run times while the anti-vibration system and slimmer profile make this chainsaw comfortable to handle even during extended use. The translucent fuel tank allows for easy monitoring of fuel levels during operation.

The MS 251 Wood Boss represents Stihl's evolution in homeowner chainsaws, featuring higher-quality materials and construction that more closely resemble professional-grade tools. With its IntelliCarb Compensating Carburetor maintaining optimal engine performance regardless of air filter condition, toolless fuel caps for convenient refilling, and the intuitive Master Control Lever simplifying operation, the MS251 delivers exceptional value for all your property maintenance needs.

 Features

• Up to 20% fuel savings compared to previous models
• 50% reduced emissions
• Anti-vibration system reduces operator fatigue
• Toolless fuel and oil caps with retainers
• Master Control Lever for simplified operation
• IntelliCarb Compensating Carburetor maintains optimal performance
• Bumper spikes for better control when cutting
• High-tech polymer housings for durability and reduced weight
• Throttle trigger lockout for enhanced safety

Specifications

What our Experts Think

Q&A

Q: What is the STIHL MS 251 Wood Boss used for?
A: It is designed for homeowners who need to cut firewood, fell small trees, trim branches, and handle storm cleanup with reliable power.

Q: What engine does the MS 251 have?
A: It features a 45.6cc gas-powered engine that delivers strong cutting performance for demanding residential tasks.

Q: What bar length comes with this model?
A: It includes an 18-inch guide bar, making it suitable for medium-duty cutting jobs.

Q: Is the MS 251 good for firewood cutting?
A: Yes. It is specifically well-suited for cutting firewood efficiently and consistently.

Q: Is this chainsaw beginner-friendly?
A: Yes, for a powerful saw it is still user-friendly, but it is best for homeowners with some chainsaw experience.

Q: Does it have anti-vibration features?
A: Yes. It includes anti-vibration technology to reduce fatigue during longer cutting sessions.

Q: What kind of maintenance does it need?
A: Routine care includes chain sharpening, bar oil checks, air filter cleaning, and fuel system maintenance.

Q: Can it be used for professional forestry work?
A: No. It is intended for homeowner and occasional heavy-duty residential use, not continuous professional logging.

Maintenance Tips

• Clean after every use: Remove sawdust, oil, and debris from bar, chain, sprocket cover, and cooling fins to prevent overheating and wear.
• Chain care: Keep chain sharp and properly tensioned; check before each use for safe, efficient cutting performance.
• Guide bar maintenance: Clean oil groove and sprocket tip regularly; flip bar periodically for even wear and longer lifespan.
• Chain lubrication: Always check bar oil level and ensure automatic oiler is working properly to protect bar and chain.
• Air filter service: Clean or replace regularly to maintain engine power, fuel efficiency, and easy starting.
• Fuel system care: Use fresh fuel mix only; avoid stale fuel and drain tank for long-term storage.
• Spark plug check: Inspect periodically for carbon buildup and replace if starting becomes difficult or engine runs unevenly.
• Fastener inspection: Tighten bar nuts, chain cover, and housing screws due to vibration during operation.
• Cooling system: Keep engine intake and fins clear of dust and chips to prevent overheating.
• Storage: Fit bar cover, store in a dry place, and lightly oil chain and bar to prevent rust.