Advanced combustion technology: Four overflow channels swirl the fuel-air mix before ignition, allowing for optimum combustion and highly efficient performance. The result: lower consumption and high torque across a broad rpm range.

STIHL anti-vibration system: Intense vibration at the handles of power tools can lead to longer-term effects of blood vessels in the hands and arms. STIHL have therefore developed an effective anti-vibration system whereby the oscillations from the machine’s engine are dampened which significantly reduces vibrations at the handles.

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.

Manual fuel pump (Purger): A small fuel pump delivers fuel to the carburettor at the touch of a button. This reduces the number of starting strokes required from a cold start.

Captive bar nuts: Bar nuts held captive in the sprocket cover will not get lost when changing over the cutting attachment.

Controlled-delivery oil pump: The exact chain oil output can be adjusted maunally for varying conditions, allowing for a reduction of up to 50%.

Single-lever master control: All important functions such as start, choke, throttle and stop are operated via a single lever.