Engine assembly

摘要

An engine cylinder head is provided. The engine cylinder head includes a portion of a first combustion chamber, an upper coolant core and a lower coolant core directing heat from the first combustion chamber and including a first coolant passage and a second coolant passage, the first coolant passage and the second coolant passage laying along a lateral axis, at least a portion of the first coolant passage separated from the second coolant passage via first and second walls.

主权项

1. An engine cylinder head, comprising:
a portion of a combustion chamber; a lower coolant jacket adjacent to the portion of the combustion chamber and including a first lower coolant passage and a second lower coolant passage, the first lower coolant passage and the second lower coolant passage laying along a lateral axis, and a first vertical coolant passage extending from a block engaging side of the cylinder head to the second lower coolant passage; an upper coolant jacket including a first upper coolant passage laying along a lateral axis, positioned above both the first lower coolant passage and the second coolant passage; and a recess positioned between the first coolant passage and the second coolant passage and positioned directly below the first upper coolant passage between a first end wall of the first upper coolant passage and a second end wall of the first upper lower coolant passage.