Lubricating system for a vertical shaft engine

摘要

A balancer shaft is disposed parallel to a crankshaft, and rotated at the same speed as the crankshaft. An oil pump is provided below the balancer shaft and is driven by the balancer shaft. Oil passages are provided for supplying oil from the oil pump passing through a passage formed in the balancer shaft. The oil is ejected to a big end of a connecting rod.