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An experimental study on motorcycle exhaust emissions
The reason for this proposed ban on two-cycle motorcycles is that the EPA felt that technology does not presently exist to control two-cycle exhaust emissions.
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Frequently Asked Questions About EPA Requirements for
Modified motorcycles or motorcycles assembled from a kit of parts would have to be EPA- certified, if the resulting motorcycles have engine displacements 50 cc
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49-State EPA Certified Engine
26 Dec 2007 SS. Cycle is not associated with Harley-Davidson, Inc. SS 49-State EPA Certified Engine Owners Manual Motorcycles with manual-operated
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