Electronic ignition promotes easy starting of the FS400, and the 40.2cc two-stroke engine is a smooth runner. The Stihl compensator consistently monitors and adjusts the fuel-air mix to the carburettor, ensuring constant engine power and a performance that doesn’t disappoint — even as the air filter clogs up over time (as they will).
“This machine feels really good,” enthuses our tester. He has just sliced through thick ash saplings. “It’s a pleasure to use — it’s well balanced, comfortable and has well-designed controls. The on/off switch is easy to use. And the harness is good. It’s comfortable round the ribs and I can’t feel any vibration coming through it. I like the fact that there are no wires hanging from the machine.
“The only complaints I have are that the vegetation keeps collecting between the filler spout and air filter, and the fact the air filter cover is not a snap-on type.”
With the rubbish removed, our tester topples a120mm-thick sapling easily, and gives the “thumbs up” sign. He’s happy.
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