Sofia Martinez
Painting supermoto plastics can be a tricky process, and it's important to do it right to avoid the paint cracking and flaking off over time. It is recommended to use a custom graphics kit or a vinyl wrap instead of paint, as it is cheaper, lasts longer, and can be easily changed. However, if you want to paint your supermoto plastics, there are a few things you should keep in mind. First, you'll need to remove any previous coats of paint, as new paint will not adhere well to another layer of paint. You can use a paint remover or adhesive gunk remover to strip the old paint. Once the surface is prepared, you can apply a primer and then your chosen paint colour. It is important to use the right type of paint, such as two-part automotive paint or Krylon Fusion, which is specifically designed for use on plastic. Additionally, you may need to use an adhesion promoter to ensure the paint adheres properly to the plastic surface. The key to a successful paint job is proper preparation, including sanding and cleaning the surface before painting.
How to paint supermoto plastics
| Characteristics | Values |
|---|---|
| Paint | Krylon Fusion paint, Rustoleum paint for plastics, or two-part automotive paint ("2K") |
| Primer | Plastic primer |
| Sanding | Sanding is important for a smooth finish |
| Adhesion promoter | Bulldog adhesion promoter |
| Sealer | |
| Base coat | Add a flex inhibitor to allow paint to flex with the plastic |
| Clear coat | 2K clear coat |
| Gas tank | Painting a plastic gas tank is not advisable as the paint may crack |
| Removing paint | Xylene paint remover, carburetor cleaner, gasoline, degreaser |
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What You'll Learn
Choosing the right paint
Painting supermoto plastics is a complex process that requires careful preparation and the right type of paint to achieve a smooth and durable finish. When choosing the right paint for your project, there are several factors to consider:
Type of Paint
The type of paint you choose is crucial to the success of your project. Enamel and acrylic-enamel paints are popular choices for their durability and resistance to cracking. Lacquer paints, on the other hand, are ideal for creating a vintage look. Two-part automotive paint, also known as "2K", is highly recommended for its superior protection and resistance to gasoline and oil. This type of paint is often used by professionals and can be applied with an air-powered sprayer. If you prefer a more convenient option, Krylon Fusion paint is a well-known choice for its effectiveness on plastic surfaces and is available in spray cans.
Colour
Choosing the right colour is essential to enhance the aesthetic appeal of your supermoto. Ensure that the colour you select complements the overall look of your motorcycle. Consider the existing colours and choose a paint colour that will create a harmonious colour scheme.
Quality
Investing in high-quality paint is essential for a long-lasting and professional finish. Cheap paints may provide a temporary solution, but they tend to peel off shortly after application. Consider the ingredients used in the paint, as they can impact the paint's longevity, durability, and drying time.
Water Resistance
If your supermoto is exposed to wet conditions, selecting a paint with good water resistance is crucial. This will ensure that the paint can withstand moisture and maintain its integrity.
Drying Time
Consider the drying time of the paint you choose. Some paints may require longer curing periods, so it is important to plan your project accordingly and allow sufficient time for each coat to dry completely before applying the next.
Surface Preparation
Before painting, it is essential to prepare the surface of the plastics properly. This includes removing any old paint, decals, or stickers, and sanding the surface to create a smooth finish. Proper surface preparation will ensure that the new paint adheres well and results in a high-quality finish.
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Preparing the plastic surface
Painting supermoto plastics can be tricky, as the paint may start to crack, flake, or peel over time. However, with the right preparation and materials, it is possible to achieve a smooth and long-lasting finish.
Before painting, it is important to prepare the plastic surface thoroughly. Start by removing any previous coats of paint or primer, as new paint will not adhere properly to an existing layer. To do this, use a paint remover or adhesive gunk remover that is safe for plastics, such as xylene. Soak a paper towel with the remover and apply it to the plastic surface, waiting at least 15-30 minutes before checking to see if the paint has started to come off. If necessary, reapply the remover and wait another 15-30 minutes before rubbing the paint off with the paper towel. Be sure to wear rubber gloves during this process to protect your hands.
Once the plastic surface is free of paint, it is important to scuff the areas you plan to paint with a fine grit sandpaper, such as 600-grit. This will create a rough surface for the paint to adhere to. After scuffing, clean the plastic thoroughly with a mixture of mild dish soap and water, then rinse and dry the parts with clean paper towels. It is important to ensure the surface is completely clean and dry before moving on to the next step.
To further prepare the surface for painting, it is recommended to use an adhesion promoter or primer. An adhesion promoter is a spray-on product that helps the paint stick to the plastic. Apply at least two coats of the promoter or primer, following the directions on the product, and allow each coat to dry completely before moving on to the next step.
With the plastic surface properly prepared, you can now move on to the painting process, using the paint of your choice.
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Applying the paint
Painting supermoto plastics can be tricky, as the paint may start to crack and flake over time. However, with the right tools and preparation, it is possible to achieve a smooth and long-lasting finish.
Firstly, it is important to remove any previous coats of paint, as new paint will not adhere properly to an existing layer. This can be done using a paint remover or adhesive gunk remover, such as xylene, which can be applied with a paper towel or microfiber cloth. It is important to wear gloves during this process to protect your hands.
Once the plastic is free of paint, it needs to be prepared for the new coat. This involves scuffing the surface with 600 grit sandpaper to create a rough texture that the paint can adhere to. After scuffing, the plastic should be cleaned with a mixture of mild soap and water, then rinsed and wiped down with a clean cloth to remove any dust or residue.
When it comes to choosing paint, two-part automotive paint ("2K") is recommended for the best results. This type of paint provides a durable and fuel-resistant finish. However, it may be difficult to source locally and typically requires an air-powered sprayer for application. An alternative option is to use a spray paint specifically designed for plastic, such as Krylon Fusion, which can be found in spray cans.
Before applying the paint, it is crucial to use an adhesion promoter or primer to ensure the paint adheres properly to the plastic. Follow the instructions on the product for the appropriate application method and drying time.
Finally, you can begin applying the paint. If using a spray can, hold the can approximately 10-12 inches away from the surface and use smooth, even strokes to apply the paint. Allow the paint to dry completely between coats, and apply multiple thin coats rather than one thick coat.
After the final coat of paint has dried, it is important to seal and protect it with a clear coat. A 2K clear coat is recommended, as it provides superior protection against fuel and oil. Apply the clear coat in thin coats, allowing adequate drying time between each application.
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Drying and curing the paint
Before you begin, it is essential to prepare the work area by choosing a well-ventilated space, laying down a drop cloth or newspapers to protect the surrounding surfaces, and gathering all the necessary supplies. Ensure you have gloves, a face mask, and safety goggles for protection.
Start by scuffing the plastic surface with 600-grit sandpaper. This step will create a rough texture on the plastic, allowing the paint to adhere better. Clean the sanded surface thoroughly with a mixture of mild dish soap, such as Dawn, and water. Rinse away any soap residue and allow the parts to dry completely.
Once the parts are dry, wipe them down with clean paper towels and gloves to ensure no fingerprints or dust remain on the surface. You may want to cover the area with a large box to minimize dust settling on the surfaces. Let the parts sit for about a day to allow any static to dissipate.
The next step is crucial for adhesion. Apply an adhesion promoter, such as Bulldog Adhesion Promoter, or a similar product. Spray at least two coats of the promoter and let each coat dry thoroughly before proceeding.
Now you're ready to apply the paint. Start with a thin coat of sealer, followed by your chosen base coat. It is essential to use a paint designed for plastic surfaces, such as Krylon Fusion or a similar product. Additionally, consider adding a flex inhibitor to your base coat to allow the paint to flex with the plastic and reduce the likelihood of cracking. Allow the base coat to dry for at least 30-45 minutes.
Finally, finish with a clear coat to protect your paint job. Apply a light coat of clear coat first, and then, after 15 minutes, apply a second, medium wet coat. This will give your paint job a glossy finish and help protect it from the elements.
Remember that drying times may vary depending on environmental conditions, such as temperature and humidity. Always refer to the manufacturer's instructions on the paint can for specific drying and curing times.
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Removing old paint
Another method for removing old paint is to physically chip or scratch at it. This can be done carefully with a fingernail or a soft scourer on a sponge, but it is important to be gentle to avoid damaging the plastic. Some people have also had success with using small amounts of white spirit on a cloth to remove paint.
Additionally, it is recommended to remove the plastic parts from the bike before attempting to remove the paint. This will help ensure that the surrounding areas are not affected by the paint removal process.
Once the old paint has been removed, it is important to prepare the surface properly before applying new paint. This includes scuffing the plastic with 600 grit sandpaper and cleaning it with a mixture of Dawn dish soap and water. After rinsing, wipe the parts with clean paper towels and let them sit in an area with minimal dust. Finally, use a tack cloth to remove any remaining dust before applying primer or paint.
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