•  A 5 axle-hole, 8 counter weight steel crankshaft has been adopted.

•  The crankshaft and balancer chain drive gear are a single component, and the balancer shaft is driver via the balancer chain.

•  An oil line for supplying oil to each journal is provided in the crankshaft.

•  Upper and lower main bearings are made of aluminum alloy and thrust bearings are used at the No.3 journal. The upper main bearing has oil grooves and oil holes.

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