| 摘要 |
Disclosed herein is a pulley cover assembly for a motorcycle transmission which can securely support a pulley to minimize an shivering phenomenon thereof caused when a load is applied to the rotating pulley, thereby attenuating noise due to the shivering phenomenon and improving a rotational performance of the pulley. Further, the pulley cover assembly can ensure convenient clutch operation through the use of a hydraulic clutch operating mechanism. The clutch operating mechanism includes a hydraulic casing integrally formed at the pulley cover and having a hydraulic oil inlet passage and a hydraulic oil outlet passage, and a piston disposed inside the hydraulic casing while being fixed to an end of the clutch rod of the motorcycle transmission. Such a clutch operating mechanism is adapted to supply hydraulic power into the hydraulic casing to permit the piston to linearly move the clutch rod by a predetermined distance. The pulley cover assembly comprises a pulley supporting means positioned at one side of the pulley opposite to a transmission cover to permit the pulley to be securely supported at both ends thereof by both the pulley supporting means and the transmission cover.
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