With extraordinary power and robust design, the FS 490 C-EM clearing saw with STIHL M-Tronic and ErgoStart is a sound choice for professionals. Low vibration levels due to the four-point anti-vibration system. With simple start logic, stop button and fully electronic M-Tronic engine management as standard.
This fully electronic engine management system adjusts ignition timing and fuel metering in all operating modes. It also takes external conditions such as temperature, altitude and fuel quality into account. It ensures consistent engine performance, a constant maximum speed and superb acceleration. M-Tronic makes manual carburettor adjustments unnecessary. Thanks to electronic cold/warm start recognition, now there is only one start position on the combi-lever. The engine starts after fewer pulls and with no change of position, and can immediately accelerate up to speed - even after a cold start. M-Tronic also remembers the settings from the last time the tool was used. So when external conditions are the same, optimal engine performance is available every time you start up again.
With a comfort carry ring for quickly attaching an removing the clearing saw.
2-stroke engine with stratified charge. A fuel-free layer of air is created between the burned charge in the combustion chamber and the fresh charge in the crankcase, reducing the amount of fuel lost during the charge cycle. This results in more power with a lower weight, up to 20% lower fuel consumption than regular 2-stroke engines and significantly reduced exhaust emissions.
Simply set the choke, pump the fuel primer, pull the starter cord and away you go! The running machine then switches off after a brief press of the stop button. Once the machine is at a standstill, the ignition activates again automatically. Thus the ignition is always ready for starting.
When used in conjunction with a harness, the bike handle enables a smooth mowing action. The bike handle allows the machine to be easily guided, making it ideal for working on large areas and thus reducing fatigue.
STIHL ErgoStart cuts the effort required to start the tool by half, while the starter cord can be pulled at just one third of the normal force. A coil spring between the starter cord and the crankshaft smoothes out force peaks, making them virtually undetectable through the cord itself.
Easy, comfortable thumb-operated control means the operator's hand never leaves the handle.
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.
The central wing nut enables easy adjustment without the use of tools. For transportation and space-saving storage, the handle can be rotated by 90°.
In STIHL brushcutters, steel springs act as anti-vibration elements to reduce the transmission of vibrations caused by the motor and rotary cutter. The handles therefore have extremely low vibration and the devices is easy to guide.
Changing the tool is made particularly easy by locking the plug-in bolt in place
The easily accessible paper filter with a long service life means it can go for long intervals without changing.
|Vibration levels left/right with metal blade m/s² 1)||2.8/2.8|
|Power output kW/bhp||2.4/3.3|
|Weight kg 2)||9.1|
|Cutting blade||Brush Knife|
|Fuel capacity l||0.99|
|Overall length m 3)||1.8|
|Sound pressure level dB(A) 4)||102.0|
|Sound power level dB(A) 4)||116.0|
1) (K) factor according to Dir. 2006/42/EC = 2m/s²
2) without cutting tool and deflector
3) without tool
4) Power factor according to DIR2006/42/EC=2.5(dB(A))
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