STIHL® MS 251 Wood Boss® Chainsaw

• Power Source: Gas
• Powerhead Weight: 11.0 lbs
• Guide Bar Length (Recommended): 18 in
• Chain Type: .325" RM3 (OILOMATIC®)
• Chain Oil Capacity: 6.7 oz
• Engine Power: 3.0 bhp
• Fuel Capacity: 13.2 oz
• Displacement: 45.6 cc
• Intended Use: Homeowner

What is the STIHL MS 251 WOOD BOSS chainsaw?
The STIHL MS 251 WOOD BOSS is a 45.6cc gas chainsaw designed for homeowners cutting firewood, pruning branches and felling small trees.

Who is the STIHL MS 251 best suited for?
It is a strong choice for homeowners, cabin owners and acreage owners who need a capable saw for regular property maintenance and firewood.

How powerful is the STIHL MS 251?
It produces approximately 3.0 bhp from its 45.6cc engine.

How much does the STIHL MS 251 weigh?
The powerhead weighs approximately 11 lb without fuel, bar or chain.

What bar length is recommended for the MS 251?
The recommended guide-bar length is 18 inches.

What chain does the STIHL MS 251 use?
The supplied specifications list a .325-inch STIHL RM3 Oilomatic chain.

Can the STIHL MS 251 cut firewood?
Yes. It is designed for efficient residential firewood cutting and general log processing.

Can the MS 251 fell trees?
It is suitable for felling small trees when used by an experienced operator with proper safety equipment.

Is the STIHL MS 251 good for pruning?
Yes. It can handle pruning, thinning and removing larger branches appropriate for an 18-inch chainsaw.

Is the MS 251 a professional chainsaw?
No. It is classified as a homeowner chainsaw rather than a professional forestry model.

Is the STIHL MS 251 fuel efficient?
Yes. STIHL states that it can provide up to 20% fuel savings compared with previous models.

Does the MS 251 produce reduced emissions?
Yes. STIHL states that it can reduce emissions by up to 50% compared with previous models.

What is the IntelliCarb compensating carburetor?
IntelliCarb automatically adjusts fuel flow as the air filter becomes restricted, helping maintain engine speed and performance.

Does IntelliCarb eliminate air-filter maintenance?
No. It helps compensate for a partially restricted filter, but the filter still requires regular inspection and cleaning.

What are the bumper spikes used for?
The spikes grip the wood and provide a stable pivot point for better control while cutting.

Does the MS 251 have tool-free fuel and oil caps?
Yes. The retained caps can be opened and closed without a separate tool.

Does the STIHL MS 251 have anti-vibration technology?
Yes. Its anti-vibration system helps reduce the vibration transferred to the handles and operator.

What is the STIHL Master Control Lever?
The Master Control Lever combines choke, starting throttle and on-off functions into one control.

What does the throttle-trigger lockout do?
It must be pressed before the throttle trigger can be activated, helping prevent accidental acceleration.

What are the benefits of the polymer housing?
The high-tech polymer housing keeps the saw relatively lightweight while resisting impacts and corrosion.

What is the fuel capacity of the STIHL MS 251?
The fuel tank holds approximately 13.2 oz.

How much chain oil does the STIHL MS 251 hold?
The chain-oil tank holds approximately 6.7 oz.

What fuel does the MS 251 use?
It requires fresh gasoline mixed with approved two-stroke engine oil according to STIHL specifications.

Does the STIHL MS 251 require bar and chain oil?
Yes. The guide bar and chain require continuous lubrication during operation.

What maintenance does the STIHL MS 251 require?
Routine maintenance includes cleaning the air filter, sharpening and tensioning the chain, checking oil delivery and inspecting the guide bar, sprocket and chain brake.

Is the STIHL MS 251 suitable for beginners?
It is designed for homeowners, but users should still understand safe starting, kickback prevention and proper cutting technique.

What safety equipment should be worn?
Use eye and hearing protection, gloves, chainsaw protective pants or chaps, appropriate boots and a helmet when overhead hazards are present.

What are the main benefits of the STIHL MS 251 WOOD BOSS?
Its main benefits include 45.6cc cutting power, an 18-inch bar, reduced fuel consumption and emissions, anti-vibration technology and homeowner-friendly controls.

Where can I buy the STIHL MS 251 WOOD BOSS chainsaw in Canada?
The STIHL MS 251 WOOD BOSS chainsaw is available in store from Arns Equipment in Calgary or online across Canada at arns.ca.