Internal combustion engine having a split crankcase
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United States of America Patent
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-
Feb 7, 2017
Grant Date -
Jan 7, 2016
app pub date -
Jan 31, 2014
filing date -
Jan 31, 2013
priority date (Note) -
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Abstract
An internal combustion engine has a crankcase having a first crankcase portion fastened to a second crankcase portion along a first plane, a crankshaft, a cylinder block defining two cylinders, two pistons, and a cylinder head. A crankshaft support defines a crankshaft support aperture. A central portion of the crankshaft is received in the crankshaft support aperture. At least one fastener fastens the crankshaft support to the cylinder block. The at least one fastener is perpendicular to a crankshaft axis and is disposed in a second plane. The crankshaft axis is normal to the first plane. The second plane is one of coplanar with and parallel to the first plane.
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