| 摘要 |
PROBLEM TO BE SOLVED: To reduce vibration of a body frame that results from vibration of an engine, to secure a rigid feeling when pedals are pressed, and to miniaturize the engine in a motorcycle with the pedals that comprises a crankshaft with at least a pair of crank weights and a rotatable pedal shaft that are removably supported by an engine case of the engine. SOLUTION: An engine body 33 including the engine case 35 is rigidly fixed to the body frame. Balancers 54 each of which a balance weight 54a disposed between the crank weights 45a to overlap the crank weights 45a when viewed from a direction parallel to an axis of the crankshaft 45, and are each stored inside the engine case 35 so as to rotate on an axis parallel to the crankshaft 45 in synchronization with a rotation of the crankshaft 45.
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