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STIHL 2-MIX-Engine
The two-stroke engine with 2-MIX technology saves up to 20 % of fuel and reduces emissions by up to 70% compared to 2-stroke engines without 2-MIX technology.
Save $100
STIHL MS 251 Petrol Chainsaw
1
SKU: 1143 200 0737
$899.00
$799.00
Save $100.00
In Stock
Pickup @ Five Stores
Avoid shipping fees plus get it today across these five convenient Sydney locations.
Est. Delivery: 10/5/25
Dispatched within 24 hours from our warehouse. Approx 1–3 business days to Sydney metro by courier. Learn more.
Easy Returns
Hassle-free returns, exchanges and full refunds gives you 100% peace of mind. Read the policy.
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Carburettor Heating (V)
By changing the chain saw from summer to winter operation, the intake air is pre-heated over the engine fins, allows you to continue working in freezing temperature.
Side-Mounted Chain
Chain side tensioning allows the saw chain to be retensioned effortlessly, avoiding any contact with the sharp chain.
Pre-Separation Air Filtration System
STIHL long-life air filtration systems with pre-separation achieve perceptibly longer filter life compared with conventional filter systems.
STIHL Anti Vibration System
STIHL developed an anti-vibration system where the oscillations from the machines engine are dampened which significantly reduces vibrations at the handles.
Single-Lever Master Control
All important functions such as start, choke, throttle and stop are operated via a single lever.
Tool Free Filler Caps
Special catches on the fuel and oil tanks for easy opening and locking without the need for tools.
STIHL Ematic System
The Stihl Ematic system can reduce bar oil consumption up to 50%.
Become an unstoppable force with a heavy-duty chainsaw that does all the hard work for you. The MS251 Petrol Chainsaw by STIHL is a high performing model that provides a superior cut, making rough terrain feel like a walk in the park. STIHL has prioritized ease-of-use and convenience in the design of this model. They also designed anti-vibration system to reduce the shock intensity and minimize operator fatigue and hand strain.
This model is surprisingly lightweight at just 4.8kg, allowing you to maneuver freely and handle challenging environments effortlessly. All important functions such as start, choke, throttle and stop are operated via a single lever. The lubrication system of this unit is unmatched economically, providing ample, on-going distribution across the bar to enhance longevity and reduce oil consumption.
The high cut performance and well-designed ergonomics make this model an ideal choice for anyone who needs a reliable, powerful machine that gets the job done right the first time. The STIHL MS251 Petrol Chainsaw comes with a 2-year domestic warranty for peace of mind.
Customer Reviews
5.0 Based on 1 Reviews
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KB
07/19/2020
katie b. 
AustraliaStill love the Stihl!
Great. More power than the 180. Perfect for what we need.
Price Match Guarantee
If you find a lower price on the STIHL MS 251 Petrol Chainsaw we will match it.
Free Assembly & Premium Handover
We’ll unbox, assemble and tune most garden power equipment orders, plus show you how everything works.*
Extra Savings with Click n Collect
Simply choose to pickup your STIHL MS 251 Petrol Chainsaw at one of our five Sydney stores to unlock extra discounts.*
Fast & Free Delivery Across Sydney
We dispatch orders fast and offer free shipping on orders over $1,000 to Sydney metro addresses.*
Buy Now, Pay Later Up to $1,000
Choose Zip Pay at checkout for up to $1,000 interest-free and make repayments weekly, fortnightly or monthly.*
Interest-Free Finance Up to $30,000
Choose Zip Money at checkout for up to $30,000 and up to 60 months interest free for those bigger buys.*
| Engine | |
|---|---|
Engine Type Power source: 2-stroke petrol or brushless electric.
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Displacement (cc) Engine size; more cc = more torque.
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Power Output (kW / HP) Peak cutting power for quick comparison.
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Fuel Tank Capacity (mL) Petrol volume; larger tank runs longer.
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Oil Tank Capacity (mL) Bar-oil reservoir size; fewer top-ups.
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| Cutting System | |
Bar Length Usable cutting length of the guide bar.
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Chain Type Chain series/profile; affects speed & kick-back.
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Chain Pitch Link spacing; must match sprockets.
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Chain Gauge Drive-link thickness; must fit bar groove.
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Chain Tensioning System How you tighten the chain (tool-free, side, etc.).
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| Features | |
Chain Brake Stops chain instantly in kick-back.
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Anti-Vibration System Isolates handles to cut fatigue.
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Tool-Free Chain Tensioning Adjust chain by hand—no tools needed.
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Rapid-Stop Chain Brake Extra-fast manufacturer brake variant.
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Ergonomic Handle Design Shaped grips for comfort & control.
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Transparent Oil Tank Sight window to check bar-oil level.
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Metered Chain Lubrication Auto-feeds the right oil amount.
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| Build & Durability | |
Body Material Housing makeup—polymer (light) or metal (tough).
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Bar Type Bar construction (laminated, solid, light, etc.).
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Protective Bumper Spikes Metal dogs for leverage & protection.
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| Dimensions & Weight | |
Weight (kg) Mass without fuel or battery.
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Power-to-Weight Ratio Power per kilogram; lower = stronger.
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| Noise & Vibration | |
Sound Pressure Level dB(A) Noise at operator’s ear.
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Sound Power Level dB(A) Total noise emitted.
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Vibration Level (m/s²) Handle vibration; lower = less strain.
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| Usage & Application | |
Recommended Use Target user—homeowner, pro, arborist, etc.
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Suitable For Typical tasks: felling, pruning, firewood.
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| Compatibility | |
Recommended Bar/Chain Options Approved alternative sizes.
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| Warranty & Support | |
Domestic Warranty Coverage for private use.
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Commercial Warranty Coverage for professional use.
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 |  |  | |
|---|---|---|---|
| Engine | |||
Engine Type Power source: 2-stroke petrol or brushless electric.
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|
|
|
Displacement (cc) Engine size; more cc = more torque.
|
|
|
|
Power Output (kW / HP) Peak cutting power for quick comparison.
|
|
|
|
Fuel Tank Capacity (mL) Petrol volume; larger tank runs longer.
|
|
|
|
Oil Tank Capacity (mL) Bar-oil reservoir size; fewer top-ups.
|
|
|
|
| Cutting System | |||
Bar Length Usable cutting length of the guide bar.
|
|
|
|
Chain Type Chain series/profile; affects speed & kick-back.
|
|
|
|
Chain Pitch Link spacing; must match sprockets.
|
|
|
|
Chain Gauge Drive-link thickness; must fit bar groove.
|
|
|
|
Chain Tensioning System How you tighten the chain (tool-free, side, etc.).
|
|
|
|
| Features | |||
Chain Brake Stops chain instantly in kick-back.
|
|
|
|
Anti-Vibration System Isolates handles to cut fatigue.
|
|
|
|
Tool-Free Chain Tensioning Adjust chain by hand—no tools needed.
|
|
|
|
Rapid-Stop Chain Brake Extra-fast manufacturer brake variant.
|
|
|
|
Ergonomic Handle Design Shaped grips for comfort & control.
|
|
|
|
Transparent Oil Tank Sight window to check bar-oil level.
|
|
—
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Metered Chain Lubrication Auto-feeds the right oil amount.
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Smart Start / Engine-Mgmt Easier starts & optimized running.
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Operating Modes Adapts to your particular job.
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Digital Display Displays important info and modes.
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| Build & Durability | |||
Body Material Housing makeup—polymer (light) or metal (tough).
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Bar Type Bar construction (laminated, solid, light, etc.).
|
|
—
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Protective Bumper Spikes Metal dogs for leverage & protection.
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|
|
|
| Dimensions & Weight | |||
Weight (kg) Mass without fuel or battery.
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|
Power-to-Weight Ratio Power per kilogram; lower = stronger.
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|
| Noise & Vibration | |||
Sound Pressure Level dB(A) Noise at operator’s ear.
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|
Sound Power Level dB(A) Total noise emitted.
|
|
|
|
Vibration Level (m/s²) Handle vibration; lower = less strain.
|
|
—
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| Usage & Application | |||
Recommended Use Target user—homeowner, pro, arborist, etc.
|
|
|
|
Suitable For Typical tasks: felling, pruning, firewood.
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Max Cutting Diameter Largest log cut in one pass.
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—
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| Compatibility | |||
Recommended Bar/Chain Options Approved alternative sizes.
|
|
|
—
|
| Warranty & Support | |||
Domestic Warranty Coverage for private use.
|
|
|
|
Commercial Warranty Coverage for professional use.
|
|
|
|