
Motorcycle windshields are typically made of polycarbonate or acrylic plastic, which offer the benefits of shatter resistance and impact durability. However, these materials are prone to scratches, haze, and yellowing due to weather, UV exposure, and bug splatters, which can compromise visibility and safety. While prevention is key, with measures such as avoiding prolonged sun exposure and using protective covers, restoration methods are available for cloudy windshields. Basic DIY restoration can be achieved with household products, but it is crucial to avoid abrasive materials and certain chemicals that can damage the plastic. Effective cleaning techniques involve softening dried-on debris and using non-abrasive cloths, followed by polishing with products specifically designed for plastic windshields. More severe cases may require wet sanding, rubbing compounds, or even replacement.
Characteristics and Values Table for Restoring Cloudy Plastic Motorcycle Windshields
| Characteristics | Values |
|---|---|
| Cleaning products to avoid | Dry paper towels, abrasive materials, ammonia-based glass cleaners, all-purpose cleaners, petroleum-based chemicals, Windex |
| Prevention methods | Avoid parking under direct sunlight for prolonged periods, cover the windshield with an old t-shirt when storing the bike |
| Cleaning process | Soften dried-on bugs or dirt with soap and water, wipe off debris, add cleaning agents, rinse if the product is not protective, wipe from side to side, avoid circular motions |
| Polishing products | Novus Plastic Polish and Scratch Remover, Meguiar's Mirror Glaze Clear Plastic Cleaner, Polish Paste, Headlight Restoration Polish |
| Polishing process | Shake the product well, use a small amount, apply with light to moderate pressure, wipe off residue with a microfiber towel before it dries, buff the surface |
| Other methods | Use a heat gun on low temperature and high fan speed, apply Pledge, use glycerin and water |
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What You'll Learn

Use plastic cleaners and polishes
Plastic cleaners and polishes are an effective way to restore cloudy plastic motorcycle windshields. These products are designed to remove scratches, haze, and yellowing from plastic surfaces. It is important to choose the right type of cleaner or polish that is specifically formulated for plastic, as other types of cleaners can damage the surface. For instance, cleaners with ammonia or petroleum can damage the plastic, and Windex-type products can weaken the plastic, turn it cloudy, and create scratches.
When selecting a plastic cleaner or polish, look for products that are labelled as "plastic-safe". Popular choices include Meguiar's Mirror Glaze Clear Plastic Cleaner, Novus Plastic Polish and Scratch Remover, and Blue Magic Plexiglass Cleaner. These products are designed to clean and protect plastic surfaces, creating a protective layer that improves visibility.
Before using any plastic cleaner or polish, it is important to start with a freshly washed or clean surface. This ensures that any dirt or debris is removed before applying the product. It is also recommended to test the product on a small area of the windshield before proceeding with the full application, following the package instructions. If the product is not protective, it is important to rinse thoroughly after cleaning.
When applying the plastic cleaner or polish, only use a small amount at a time and work in sections. Shake the product well before use, and dispense a few drops onto a foam applicator pad. Wipe the windshield using light to moderate pressure, ensuring that the product does not dry before removing the excess. Use a dry microfiber towel to wipe off any residue, turning the towel over frequently to ensure a thorough clean.
In addition to using plastic cleaners and polishes, there are other measures to prevent motorcycle windshields from deteriorating. This includes avoiding prolonged parking under direct sunlight and covering the windshield with an old t-shirt when storing the bike to protect it from the elements.
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Avoid paper towels and circular motions
When it comes to restoring a cloudy plastic motorcycle windshield, it is important to be cautious and use the correct techniques and materials to avoid further damage. One crucial tip is to avoid using paper towels and circular motions during the cleaning and polishing process.
Paper towels, especially when dry, can be abrasive and induce scratching and haze on the plastic surface. Instead, opt for a microfiber towel or a soft, clean cloth to wipe down the windshield. Microfiber towels are effective at capturing and lifting dirt and grime without causing scratches.
Similarly, circular motions should be avoided when cleaning or polishing a plastic motorcycle windshield. Working in a circular pattern can irritate the surface of the plastic and lead to unwanted marks or scratches. It is recommended to wipe the windshield from side to side or in straight lines. This helps to reduce the risk of scratching and ensures a more effective cleaning process.
In addition to the right tools and techniques, it is essential to prepare the windshield properly before cleaning. Start by softening any dried-on bugs or dirt with soap and water. This helps to prevent the debris from latching onto the cleaning cloth and scratching the surface during wiping. Once the grime has softened, wipe it away and proceed to apply your chosen cleaning agents or polishes.
By avoiding paper towels and circular motions, and by properly preparing the windshield, you can effectively restore a cloudy plastic motorcycle windshield and improve visibility and safety when riding. Remember to always follow the manufacturer's instructions for any cleaning or polishing products and take your time to ensure a thorough and careful job.
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Protect from the sun
Protecting your motorcycle windshield from the sun is essential to prevent UV damage, which can cause cloudiness and discolouration. Here are some tips to shield your windshield from the sun's harmful rays:
- Avoid prolonged exposure to direct sunlight: Park your motorcycle in a shaded area whenever possible, especially during the hottest parts of the day. Prolonged exposure to the sun's rays can accelerate the deterioration of your windshield, making it cloudy and brittle.
- Use a protective cover: When storing your bike outdoors, cover the windshield with an old T-shirt or a specialised motorcycle cover. This will shield it from the sun's rays and protect it from other environmental factors, such as dust and debris.
- Apply a rain repellent: Using a product like RainX for plastics can help repel water and harmful chemicals, improving visibility during rainy weather. Be sure to follow the manufacturer's instructions for proper application and reapplication.
- Regular cleaning and maintenance: Keeping your windshield clean and grime-free is essential. Use a mild soap and water solution, and wipe gently from side to side, avoiding circular motions that can irritate the surface. Regular cleaning will help prevent the build-up of dirt and debris, which can amplify the effects of UV rays.
- Consider a replacement windshield: If your area experiences intense sunlight and high temperatures, consider investing in a replacement windshield made from polycarbonate or acrylic. Polycarbonate is more durable and shatter-resistant, while acrylic is a more affordable option. Ensure you purchase the correct type for your motorcycle and follow the recommended cleaning methods for the material.
By following these steps, you can effectively protect your motorcycle windshield from the sun's damaging effects and maintain its clarity and durability.
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Use rain repellent
Using a rain repellent is a great way to restore a cloudy plastic motorcycle windshield. It can help repel harmful chemicals and water, improving visibility during rainy weather. There are many products available on the market, such as RainX for plastics, which can be found on Amazon or at motorcycle product retailers. These products cause water to bead and fly off, fill in minor swirls and scratches, and help restore yellowed acrylic shields.
It is important to note that the type of plastic your windshield is made from will determine the ideal formula of cleaner or repellent. Some products that work well on car windshields may not work on motorcycle windshields. For example, one user reported that Rain-X, which worked well on their car windshield, made their motorcycle windshield cloudy and hazy.
Inexpensive products such as Pledge furniture polish or Honda Spray Cleaner & Polish work just as well as more expensive options, for a day or two after application. These products can be applied before riding in the rain to ensure good visibility.
When choosing a cleaning product, look for those that clean and protect. While you may not get the same crystal-clear result as with a window, you will create a protective layer that is easy to see through. It is also important to avoid using dry paper towels, abrasive materials, ammonia-based glass cleaners, all-purpose cleaners, petroleum-based chemicals, or Windex, as these can damage the plastic and cause scratching and haze.
To prevent your motorcycle windshield from becoming cloudy, avoid parking for prolonged periods under the sun, and cover your windshield with an old t-shirt when storing your bike.
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Remove the windshield
Removing the motorcycle windshield is a recommended step in the restoration process. It makes it easier to clean and polish the windshield and provides an opportunity to clean the attached hardware, improving the overall appearance of the motorcycle.
Before removing the windshield, it is important to park the motorcycle in a shaded area, away from direct sunlight. Prolonged exposure to the sun can cause the plastic shield to soften, making it more challenging to work with.
To remove the windshield, start by locating the mounting hardware. This can vary depending on the motorcycle model, but it typically involves unscrewing or unbolting the fasteners that secure the windshield to the bike. Make sure to have the necessary tools, such as screwdrivers or wrenches, to loosen and remove the fasteners.
Once the fasteners are removed, carefully lift the windshield away from the motorcycle. It is important to be gentle during this step to avoid putting excessive force on the plastic. Place the removed windshield on a clean, flat surface, preferably covered with a soft cloth to prevent scratching.
With the windshield removed, you can now access the attached hardware for cleaning. Use a soft cloth and mild soap or plastic-safe cleaning agents to wipe down the hardware, removing any dirt, grime, or bugs that have accumulated. Ensure that you follow the manufacturer's instructions for any cleaning products used and always test on a small area first.
By removing the windshield, you can thoroughly clean and polish it without the constraints of keeping it mounted on the bike. This allows for a more effective restoration process and helps ensure that your motorcycle is not only aesthetically improved but also has all its parts in good working order.
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Frequently asked questions
You can use plastic cleaners like Novus Plastic Polish and Scratch Remover, or Meguiar's Mirror Glaze Clear Plastic Cleaner. You can also try using a mixture of glycerin and water, or Pledge.
First, wash the windshield with soap and water. Then, apply a small amount of polish to a foam applicator pad and wipe the windshield using light to moderate pressure. Wipe off the residue with a dry microfiber towel before it dries.
Avoid using dry paper towels, abrasive materials, ammonia-based glass cleaners, all-purpose cleaners, petroleum-based chemicals, or Windex, as these can scratch and damage the plastic.
Avoid parking your motorcycle under direct sunlight for prolonged periods, and cover the windshield with an old t-shirt when storing your bike to protect it from the elements.
Some people suggest using a heat gun on a low temperature, but this can be risky as it may deform or dry out the plastic, making it brittle and prone to cracking. You can also try using a coarse rubbing compound with an orange compound pad, but this may not be suitable for all windshields.








































