Sale! STIHL MS 251 Chainsaw 18" Bar Length View larger

STIHL MS 251 Chainsaw 18" Bar Length

ST-MS251-18

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Please Note: This item is available for in store pick up only

Top range saw for property maintenance.

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£ 465.00 inc VAT

-£ 110.00

£ 575.00 inc VAT

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Data sheet

Bar Length 18 inch
Displacement 45.6 CC
Weight 4.8KG
Power-to-weight ratio 2.2/3.0 kW/hp
STIHL Oilomatic saw chain type RM3
Lightweight guide bar Retrofittable (accessory)
Side-mounted chain tensioning Fitted as standard
STIHL Quick Chain Tensioning (B) Retrofittable (accessory)
STIHL ElastoStart Retrofittable (accessory)
Long-life air filter system Fitted as standard
Tool-free tank cap Fitted as standard
STIHL engine technology 2-MIX
Engine Type Two Stroke
Fuel Type Petrol

More info

The new 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.

Key Features

  • Anti-vibration system - Intense vibration at the handles of power tools can lead to long-term effects on blood vessels in the hands and arms. STIHL has therefore developed an effective anti-vibration system whereby the oscillations from the machine's engine are dampened which significantly reduces vibrations at the handles.
  • Pre-separation air filtration system - STIHL long-life air filtration systems with pre-separation achieve perceptibly longer filter life compared with conventional filter systems. Air drawn in is swirled. The larger, heavier particles are ejected. The pre-cleaned air is routed to the air filter via the pre-separator duct.
  • Compensator - This controller in the carburettor prevents the fuel-air mixture getting richer as the air filter becomes clogged. The correct quantity of fuel is delivered to the carburettor depending on the quantity of air passing through the air filter. This keeps the fuel/air ratio in the combustion mixture constant and hence also the engine power. The filter doesn't need to be cleaned until an appreciable drop in power occurs.
  • Single-lever master control - All important functions such as start, choke, throttle and stop are operated via a single lever.
  • Side chain tensioner - The tensioning screw can be found on the side of the chain saw through the sprocket cover. This removes the need for contact with the sharp saw chain.
  • Ematic chain lubrication system - The Ematic chain lubrication system ensures pinpoint lubrication of the saw chain links and guide bar rails. When used with STIHL OILOMATIC saw chain, it will provide maximum lubrication, longer wear and less oil consumption than conventional methods of chain lubrication. The Ematic system can reduce bar oil consumption by up to 50%.
  • Tool free filler caps - Special catches on the fuel and oil tanks for easy opening and locking without the need for tools.

Technical Data

Displacement (cm³) 45.6
Power output (kW/bhp) 2.2/3
Power-to-weight ratio (kg/kW) 2.2
Weight kg 1) 4.8
Sound pressure level dB(A) 2) 103
Sound power level dB(A) 2) 114
Vibration values left/right m/s² 3) 3.9/3.9
STIHL Oilomatic saw chain pitch/type .325" RM

 

1) Without fuel, without bar and chain
2) K-factor according to DIR 2006/42/EC = 2.5 dB (A)
3) K-factor according to DIR 2006/42/EC = 2m / s²

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STIHL MS 251 Chainsaw 18" Bar Length

STIHL MS 251 Chainsaw 18" Bar Length

Please Note: This item is available for in store pick up only

Top range saw for property maintenance.

Accessories