Question about kawasaki KX 250 Motorcycles

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91 kx 250 blows smoke and drips alot of unburnt oil out the pipe

91 kx 250 Blows a fair amount of smoke out the pipe and drips a fair amount of unburnt oil out of the pipe connection. I am running 50:1 mix and it still does it. also it uses gas very quickly and fouls at least 1 plug per ridding day. It starts very easy and idles perfect, but often when you crank it it seems to have something holding it back.

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Does it have a stock pipe,carb,any modifications! If its stock,I would put a new ring and piston in it,it seems like your getting a lot of blowby,also make sure your air filter is clean. It would help if you used an iridium spark plug.

Posted on Jan 21, 2009

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