摘要 |
A power transmission device for internal combustion engine including a timing belt pulley for a timing belt which drives cam shaft and so forth, and a pulley for V belt for driving auxiliary machineries such as cooling fan, the timing belt pulley and the pulley for V belt being attached to an end portion of the engine crank shaft. One of these pulleys is fixed directly to the engine crank shaft, while the other is fixed to the first-mentioned pulley which is fixed to the crank shaft. |