Here are some tips that can help reduce neck injuries and fatigue while riding a motorcycle:

1. Proper posture: Maintain a relaxed, upright posture while riding. This will reduce the amount of weight you put on your neck and shoulders, which can help prevent fatigue and injury.

2. Adjustable handlebars: If your handlebars are not in the right position, it can cause neck strain. Make sure the handlebars are adjusted to the right height and distance so that you can maintain a comfortable posture.

3. Wind protection: A windscreen or fairing can reduce wind resistance and help to shield you from wind and weather. This can reduce neck fatigue and make for a more comfortable ride.

4. Use a neck brace: A neck brace can help support your neck and reduce the risk of injury in the event of an accident.

5. Take breaks: Regular breaks are important to reduce fatigue and stretch your neck and back muscles. Stop for a few minutes every hour or so to stretch and rest.

6. Strengthen neck muscles: Regular neck exercises can help you maintain good neck strength and flexibility. This can reduce the risk of injury and fatigue while riding.

7. Reduce the load: Try to keep the weight of your gear and any other items you’re carrying to a minimum, as this will reduce the amount of weight you put on your neck and shoulders.

Remember, it’s important to always wear appropriate protective gear while riding, including a helmet and gloves, to reduce the risk of injury in the event of an accident.