Would keeping the camera on help? When it is on, the stabiliser components are active and they should counteract most of the vibrations. If this works, it might

Would keeping the camera on help? When it is on, the stabiliser components are active and they should counteract most of the vibrations. If this works, it might be worth it for apple to detect motorcycle vibrations for more than x minutes and energise the stabilisers without actually turning on the other imaging related parts of the camera.