If your motorcycle starts to weave while riding over uneven metal bridge gratings, you should:

If your motorcycle begins to weave while riding over uneven rain grooves or bridge gratings, simply relax and proceed straight across the grooves at a steady speed. Steering in a zigzag pattern as you cross gratings is more dangerous than the weaving.

• Downshift immediately to a lower gear.
• Proceed in a zigzag pattern until you cross the bridge.
• Relax and steer straight.