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<t>A few of the current batch of Eco Power engines had the holes for the<br/> crankshaft punched too large. The holes where the wire crankshaft<br/> goes through the cardboard upright triangle are supposed to be 1/16"<br/> (1.5 mm) and some of them are 1/8" (3 mm).<br/> <br/> If your crankshaft is v...