| 摘要 |
A secondary balancer is used for an outboard motor vertical in-line engine which includes a crankcase, a cylinder block and a cylinder head, which are arranged in this order from a front side of the engine (i.e., hull side of an outboard motor), a crankshaft placed in the engine in a substantially vertical direction, an intake pipe placed on one side of the engine, a throttle body and an intake silencer which are disposed on a front side of the crankcase, and a balancing device including a primary balancer and a second balancer. The secondary balancer includes a pair of balancer shafts disposed in a space formed between the crankcase and the intake silencer.
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