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Recent content by Ken matlock

  1. K

    25 hp top cylinder no combustion

    25 hp 2 stroke Yamaha 2006 model. 2 cylinder 2 carbs. Top cylinder no combustion. Motor idles and runs at low speed but over half throttle it falls to its knees. Running and pulled top spark plug wire and no difference in running. Reinstall top wire an pull bottom spark plug wire and engine...
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