Description
The MS 251 is ideal for various applications, from cutting firewood to timber construction. This high torque engine is easy to start and comfortable with a high cutting performance. Emissions are cut by 70%, and fuel consumption is up to 20% lower compared to a STIHL 2-stroke engine of the same power output without 2-MIX technology.
Specifications
| Bar Length | |
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| Chain Gauge | |
| Pitch | |
| Compatible Chain File |
| Vibration Levels | |
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| Sound Level |
| Weight |
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STIHL
Reviews
STIHL Warranty
STIHL GB WARRANTY PERIODS BY PRODUCT
| PRODUCT | DOMESTIC | PROFESSIONAL |
| 2 years | N/A | |
| AP System* | 2 years | 2 years |
| 2 years | 1 year | |
| Personal protective equipment | 1 year | 1 year |
| Pressure washers | 3 years | 2 years |
GROUNDS CARE WARRANTY PERIODS
| PRODUCT | DOMESTIC | PROFESSIONAL |
| iMOW® Robotic lawn mowers** | 5 years | 5 years |
| AK System lawn mowers and scarifier** | 5 years | 3 months |
| AP System lawn mowers** | 5 years | 2 years |
2 / 4 / 5 / 6 Series Petrol lawn mowers** (excluding RM 655 RS, RM 4 RTP) | 5 years | 3 months |
| 5 years | 1 year | |
| 2 years | 3 months | |
| Mono-handlebar / deck | 10 years | 3 months |
| Mono-handlebar 7 Series | 10 years | 5 years |
*Handheld products only. For petrol, AK and AP System lawn mowers, see Grounds Care warranty periods below.
**Subject to product registration and annual servicing.
Warranty periods apply when the product is used for the designed purpose of that product.
Top handle chainsaws are specified for professional arborists or operators who can prove competence by way of certification from an approved educational body.
Occasions arise whereby warranty periods may be extended / shortened, due to promotional campaigns. Correspondence detailing these changes will be released before the promotion’s active date.
STIHL connected professional warranty extension
Extension of professional warranty by 1 year when purchased with selected professional petrol tools and AP System battery tools with a STIHL Smart Connector or Smart Connector 2 A. The warranty extension must be registered at point of sale by the STIHL Approved Dealer. For full details of all products included please click here.
MotoMix® fuel domestic warranty extension
Extension of Domestic warranty from 2 to 3 years when purchased with 5 litres of MotoMix®. Domestic customers can now extend warranty cover of selected machines, when purchased along with 5 litres of MotoMix®. The extension must be registered at point of sale by the STIHL Approved Dealer. For full details of all products included please click here.
Spare Parts
Spare parts are covered by a 1 year warranty.
VIKING to STIHL transition
From 1 January 2019 all VIKING grounds care products were re-branded to become STIHL. Therefore for any warranty enquiries relating to the VIKING product range, please refer to the section labelled STIHL grounds care products.
Security updates
The iMOW® will receive security updates for at least 24 months after purchase.
ADVANCE ProCOM will receive security updates for at least 36 months after purchase.
