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Stihl FS 80 Petrol Brushcutter: No Spark, Ignition Coil Check & Capacitor Under Manual Starter

robertrocky 11562 7
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  • #1 16588713
    robertrocky
    Level 8  
    Hello, I have a problem with the old model of the Stihl FS 80 brushcutter, I have no spark, I have a question how to check the ignition coil?

    I still have such a question, there is such a small device under the manual starter, is it a capacitor?

    The photos show what the Stihla model is.
    Attachments:
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  • #2 16598335
    recki-quadra
    Level 17  
    Under the cutter? That black ball? It's a fuel pump to start!
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  • #3 16598848
    Staszek49
    Level 35  
    As mentioned above, it is a fuel pump button (we use it before starting the engine, especially when it is cold). Check the HV wire, whether it is torn from the HV coil, whether the wire from the ignition switch is not chafed and does not come into contact with e.g. the engine crankcase (metal), whether the HV coil is properly fixed, i.e. with a minimum gap between the magnet wheel and the HV coil . Replace the spark plug with a good one and pull the starter more vigorously.
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  • #4 16645525
    robertrocky
    Level 8  
    Hello, it's black, I know that the pump has a bad photo loaded and I did not check the post later, now I will attach a photo what I mean, a small silver box next to the shaft
    Stihl FS 80 Petrol Brushcutter: No Spark, Ignition Coil Check & Capacitor Under Manual Starter
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  • #5 16645811
    Staszek49
    Level 35  
    The scythe is rather lukewarm, so in my opinion it will probably be a "box" with a traditional interrupter. Unscrew the screw and you will probably find out that it will be an ignition module. Read type, name etc ..
  • #6 16645826
    robertrocky
    Level 8  
    so old over 20 years old for sure because she still writes made in japan

    ok and I'll see what's writing on that box in my free time

    Added after 7 [minutes]:

    Skoda, I dump somewhere for scrap because it has great compression only with this spark I have to get in order
  • #7 16646018
    Anonymous
    Level 1  
  • #8 16646048
    robertrocky
    Level 8  
    ok I will check and give you an answer
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Topic summary

The discussion revolves around troubleshooting a Stihl FS 80 petrol brushcutter that is experiencing a lack of spark. Users suggest checking the high voltage (HV) wire for damage, ensuring the ignition coil is properly fixed with an appropriate gap from the magnet wheel, and replacing the spark plug. The small silver box under the manual starter is identified as an electronic circuit breaker or ignition module, which should also be inspected along with the associated wiring and switch. The brushcutter is noted to be over 20 years old and made in Japan, indicating its vintage status.
Summary generated by the language model.
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