【Notice 1】: 1. Check whether the screws in various parts are locked without looseness before launching the model, and whether the transmission system has sufficient lubricating oil. 2. Check whether the cooling water pipe is unblocked. 3. Do not let the motor idle for more than 10 seconds when debugging the remote control and testing electronic equipment. 4. After launching the boat model, observe whether there is water flowing out of the drainage outlet on the side at close range.

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