Recent content by AndyB1574

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    Yamaha 150 2 stroke idles on 4 cylinders

    Hi all, I'm new to this site, I hope someone can help. I have a 1990 6 cylinder which idles on four cylinders. I want to know how this happens, a car mechanic friend told me there are different reeds in the top carby, which only open up above a certain rev range, to lower pollution around...
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