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STIGA SBC 252 D Brushcutter Won't Start: Troubleshooting, First Mowing Issues, Flooded Spark Plug

portier90 14448 16
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  • #1 17199401
    portier90
    Level 7  
    Hello. Please help. I bought a STIGA SBC 252 D brush cutter, today I did the first mowing, and in fact 1/6 of it .. The scythe works very well, fires well "hot", but when I turned off the engine for 20 minutes, I had to wave a lot to start again .. After the second off, there is no way to fire it after a second break. I wave and wave and nothing ... follows the instructions 10 x suck, choke lever, pull, lever to work and pull to light. I'm really pissed off, I didn't start mowing well and something's not working anymore .. work is standing still! I had a flat 40: 1, I poured 160 ml of oil into 5 liters of gasoline, so the proportions were rather appropriate. Was it the candle that flooded? I unscrewed the candle, blown it, pulled the rope and screwed it back in. I noticed that the casing is slightly melted by the candle. I am asking for help, I had at least 1/4 planned today and I didn't even cut half of what I had planned.
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  • #2 17199428
    Pedros050
    Level 43  
    Hello. Did you check that this candle has a spark?
  • #3 17199467
    portier90
    Level 7  
    I took out that black part, there are some little sparkles when I pull.
  • #4 17199474
    Pedros050
    Level 43  
    Do you have replacement candles?
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  • #5 17199495
    portier90
    Level 7  
    I put on Daemon from an old scythe, nothing. I chose the correct proportions, I must have poured more than 160 ml for those 5 l ..
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  • #6 17199513
    Pedros050
    Level 43  
    And the candle is flooded after unscrewing?
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  • #8 17199553
    Pedros050
    Level 43  
    It has a rich mixture, but the fuel is dry as pepper.
  • #9 17199567
    portier90
    Level 7  
    PITERRR wrote:
    It has a rich mixture, but the fuel is dry as pepper.


    I rubbed it, I am constantly wondering if I made the right mix .. Since you suggest a good, defacto in the ratio of 40: 1 comes out 40 ml per 1 l, I was wrong and poured about 180 ml for 5 l instead of 200 .. and now it worries me terribly . Remove the record from the manual.
  • #10 17199573
    płetwa
    Level 32  
    The mixture was made by a colleague 1:32, but it's not a problem yet, it should work and smoke more.
    Tell me why the hell are you pumping fuel again after a 20 minute break and re-choke. The scythe after such attempts is 100% flooded. In such a situation, you twist the candle, turn the machine upside down and, pulling with a jerk (as when starting), "spit out" all the fuel from the cylinder. You screw the candle in and after such a procedure it has to light up.
  • #11 17199586
    Pedros050
    Level 43  
    Pour the fuel from the syringe into the cylinder through the candle hole and burn this mower, you will know if there is fuel or not?
  • #12 17199615
    wojtek1234321
    Level 36  
    portier90 wrote:
    I had a flat 40: 1, I poured 160 ml of oil into 5 liters of gasoline, so the proportions were rather appropriate.

    This mixture was rather 31.25: 1, to be 40: 1 that would be 100 ml of oil for 4 liters of gasoline, with 40: 1 for 5 liters of gasoline, 125 ml of oil would come out.
  • #13 17199629
    portier90
    Level 7  
    wojtek1234321 wrote:
    portier90 wrote:
    I had a flat 40: 1, I poured 160 ml of oil into 5 liters of gasoline, so the proportions were rather appropriate.

    This mixture was rather 31.25: 1, to be 40: 1 that would be 100 ml of oil for 4 liters of gasoline, with 40: 1 for 5 liters of gasoline, 125 ml of oil would come out.

    Could the engine seize due to such a flat?
  • #14 17199650
    wojtek1234321
    Level 36  
    portier90 wrote:
    Could the engine seize due to such a flat?

    Rather, there is no fear. What mixture is recommended in the manual?
    In that case, it can only smoke more.
    Well, unless the manufacturer recommends a 20: 1 mixture (100 ml of oil to 2 liters of gasoline) :D so with the hard work of a new, unbroken machine, anything can be done with such a mixture.
  • #15 17199651
    Pedros050
    Level 43  
    Erase no, but the problem with starting, add clean gasoline, did you not smoke that mower?
  • #16 17199722
    portier90
    Level 7  
    PITERRR wrote:
    Erase no, but the problem with starting, add clean gasoline, did you not smoke that mower?


    It doesn't seem to smoke, there are no signs of smoking on the casing either.
  • #17 20148828
    KrisPan
    Level 1  
    The coil to be replaced and after the scream before this procedure, the air filter would be checked if it was dry and clean

Topic summary

The STIGA SBC 252 D brushcutter is experiencing starting issues after brief operational pauses. The user reports that the machine starts well when hot but fails to restart after being turned off for 20 minutes. Troubleshooting steps include checking the spark plug for spark, ensuring the fuel mixture is correct (40:1 ratio), and examining the spark plug for flooding. Suggestions from the forum include checking the air filter, ensuring the fuel is clean, and potentially replacing the ignition coil. The user is concerned about the possibility of engine seizure due to incorrect fuel mixture proportions.
Summary generated by the language model.
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