MS 251 Petrol Chainsaw: Top range domestic saw, the optimum choice for property maintenance
The MS 251 is ideal for a variety of applications, from cutting firewood to timber construction. This high torque engine is easy to start and comfortable to use, 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.
Extend your domestic warranty from 2 to 3 years with the purchase of 5 litres of STIHL MotoMix® fuel and this product. Your STIHL Approved Dealer will register your extended warranty on the STIHL warranty database at point of purchase.
Instruction is necessary to recognize or assess the dangers of a chainsaw. Please wear protective clothing and equipment.
If anything is unclear, we recommend to order the chainsaw via Click & Collect and pickup up the chainsaw from a STIHL servicing dealer.
You can find videos showing you how to fill your machine with fuel and oil, fit bars and chains and start your chainsaw here.
Exterior design of STIHL guide bars are subject to change. Technical specifications remain the same.
Technical details
| Displacement | 45.6 cm³ |
| Power output | 2.2/3 kW/HP |
| CO2 | 819 g/kWh |
| Weight | 4.8 kg 1) |
| Weight | 5.61 / 5.71 kg 2) |
| Power-to-weight ratio | 2.2 kg/kW |
| Bar length | 40-45 cm |
| Bar length | 16-18 ” |
| Saw chain pitch | .325 ” |
| Length with bumper strike | 424 mm |
| Sound pressure level | 103 dB(A) 3) |
| Sound power level | 114 dB(A) 3) |
| Vibration values left/right | 3.9/3.9 m/s² 4) |
1)Without fuel, without bar and chain2)Without fuel, with bar and chain3)K-factor according to DIR 2006/42/EC = 2.5 dB (A)4)K-factor according to DIR 2006/42/EC = 2m / s ²


