These heavy-duty brushcutters feature an incredible 33% increase in engine power over the FS 111 brushcutter while maintaining an excellent power-to-weight ratio. Now with a larger fuel tank for longer run times.
You can always rely on STIHL to keep setting new benchmarks this time with 4-stroke mixed lubrication technology. The STIHL 4-MIX engine, which runs on a fuel-oil mix just like a 2-stroke, offers the benefits without the compromises of 4-stroke power. STIHL 4-MIX engine technology provides fast acceleration, more power, added torque, lower noise, reduced emissions and increased fuel efficiency to complete jobs quickly, quietly and more easily.
The decompression valve allows some of the compression pressure in the cylinder to escape, so less force on the starter rope is needed.