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Discussion Starter · #1 ·
i was out on my kx125 yesterday and every time i came to a complete stop the bike would just cut out but would start no problem right away, but after being out on the bike for about 30 mins i came to a stop and it cut out but wouldnt start again,it was low on fuel so i thought this was the problem,filled it up with fuel and it wouldnt start so opened up the throttel and it started after a couple of kicks but sounded a bit rough,the pipes at the underside of the bike seemed to be letting out a large a mount of fuel (puddel of fuel) after using the bike for about 30 mins again the bike started to splutter then eventually cut out and will not start now,looked at the spark plug and it looked wet with black oil :confused: im a novis at this so any help will be great but try not to be too technical :oops:

thanks
 

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i was out on my kx125 yesterday and every time i came to a complete stop the bike would just cut out but would start no problem right away, but after being out on the bike for about 30 mins i came to a stop and it cut out but wouldnt start again,it was low on fuel so i thought this was the problem,filled it up with fuel and it wouldnt start so opened up the throttel and it started after a couple of kicks but sounded a bit rough,the pipes at the underside of the bike seemed to be letting out a large a mount of fuel (puddel of fuel) after using the bike for about 30 mins again the bike started to splutter then eventually cut out and will not start now,looked at the spark plug and it looked wet with black oil :confused: im a novis at this so any help will be great but try not to be too technical :oops:

thanks
Welcome ! You have experienced your first 2 stroke spark plug foul. It's very common on all KX's with stock factory jetting. Pull the old plug out, hold your throttle wide open, and kick the bike about 15 times. Install a new plug and you will be good to go. Keep in mind, if you fouled a plug, it will happen again, so unless you lean out the carb jetting, ALWAYS carry a new spare plug(s) with you !
 

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Discussion Starter · #3 ·
Thanks,I'll give that a try in the morning,would the spark plug being fouled cause the fuel to constantly drip out of the small thin pipe that is on the underside of the bike while trying to kick start it???
 
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