Isabella Flores
Painting your Harley engine is possible, but it is a difficult and risky task. Many Harley riders avoid painting their engines due to the risk of engine mounting bolts coming loose, the high costs of paint jobs, and the specialised knowledge required to safely remove and reinstall the engine. However, some riders have successfully painted their Harley engines, achieving a professional-looking finish. To ensure the paint job lasts, it is important to properly prepare the engine, use the correct type of paint, and allow adequate curing and drying time.
Can I paint my Harley engine and will it last?
| Characteristics | Values |
|---|---|
| Paint products | VHT Engine Wrinkle Black, Dupicolor spray on bed liner, Krylon BBQ grill paint, PJ1 satin black, Harley wrinkle black |
| Preparation | Clean engine, sand, pre-clean, use a primer, cover surrounding parts with newspaper and masking tape |
| Application | Apply thin coats, hold spray nozzle 7-10 inches from the engine, allow to dry for 2-3 hours, cure the paint |
| Durability | Paint will eventually start to flake off, powder coating may be more durable, VHT paint has lasted 15 years |
| Cost | $200-$600 |
| Risks | Engine mounting bolts may come loose, paint may not withstand high temperatures, paint may not adhere to aluminium without primer |
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What You'll Learn
Preparation: sand, pre-clean, and use a primer
Painting your Harley engine is a great way to refresh its look, and with the right preparation, your paint job can last for years. Here are the steps to prepare your Harley engine for painting, focusing on sanding, pre-cleaning, and priming:
Sanding:
Sanding is an important step in preparing any surface for painting, as it helps create a smooth base for the paint to adhere to. When sanding your Harley engine, start by putting on the necessary protective gear, including goggles, a face mask, ear protection (if using a power sander), and gloves. Choose the appropriate grit sandpaper for the job; a lower grit, more abrasive sandpaper is ideal for smoothing out rough, uneven areas or filling in dents. If your engine surface is already smooth, a fine-grit sandpaper will add a subtle texture to improve paint adhesion. Take your time and work the sandpaper over the entire surface of the engine, ensuring it is uniform.
Pre-Cleaning:
Once the sanding is complete, it's crucial to clean the engine surface thoroughly to remove any grease, dust, grime, or old paint residue. For an unassembled engine with old paint, start by wiping it down with paint thinner, followed by a wax and grease remover. Next, consider using the soda blasting method to strip away the remaining paint and any corrosion. Although it can be tedious, taping up the engine with masking tape and newspaper will help protect sensitive areas. If your engine is assembled, hot soapy water and elbow grease will be your best friend. Remember to dry the engine thoroughly after cleaning.
Priming:
With the engine surface now clean and smooth, it's time to apply a primer. Choose a high-temperature primer suitable for use with Harley paint, as regular primers may not withstand the heat generated by the engine. Consult with your local auto parts store or an experienced painter to select the right primer for your needs. Follow the manufacturer's instructions for applying the primer, ensuring a thin, even coat. Allow the primer to dry completely before moving on to the painting stage.
Remember, taking your time with each step of the preparation process will ensure a high-quality and long-lasting paint job for your Harley engine.
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Paint type: VHT, Duplicolor, Krylon BBQ, or PJ1 satin black
Painting your Harley engine is a great way to refresh the look of your bike and protect it from corrosion. When it comes to paint type, there are several options to consider, each with its own advantages:
VHT Engine Paint
VHT engine paint is a popular choice for painting Harley engines. It offers excellent durability, with one user reporting that their VHT-painted engine still looked great after 15 years. The paint is easy to use, providing good coverage with a rattle can application method. VHT paint is available in a range of colours, including wrinkle black, gloss white, gloss yellow, and GM blue. It is also corrosion-resistant and can withstand high temperatures of up to 550 degrees Fahrenheit.
Duplicolor Engine Paint with Ceramic
Duplicolor's engine paint is known for its superior surface preparation qualities. Their Grease & Wax Removers effectively simplify the painting preparation process by removing dirt, road tar, grease, wax, and oil without leaving any residue. Duplicolor engine paint is designed to be applied in multiple light coats, followed by one medium wet coat, allowing for a smooth and even finish.
Krylon BBQ & Stove Paint
Krylon BBQ paint is specifically designed for high-heat applications, making it suitable for engine painting projects. It is available in a satin black finish, providing a stylish and functional coating for your Harley engine.
PJ1 Satin Black Engine Paint
While specific details about PJ1 Satin Black engine paint are not readily available, it is a popular choice among Harley enthusiasts. Satin black paint generally provides a sleek and elegant finish, and PJ1 likely offers good heat resistance and durability.
Remember, when painting your Harley engine, cleanliness and preparation are key to achieving a quality finish that will last. Ensure that the engine surface is thoroughly cleaned, prepared, and primed before applying the paint.
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$10.59 $14.99
Curing: follow spray bottle instructions, cure in the sun, or use an oven
Painting your Harley engine is a great way to refresh the look of your bike, and with the right approach, your paint job can last for many years. Curing is a critical step in the painting process, and there are a few methods you can use to cure your paint and ensure a durable finish.
Follow Spray Bottle Instructions:
When using spray paint, it's important to follow the directions on the can. Each product will have specific instructions, including the recommended curing time and any necessary precautions. Lightly sand the surface with fine-grit sandpaper, clean it thoroughly, and ensure it's completely dry before painting. Apply light coats of paint, allowing adequate drying time between coats to prevent wrinkling and peeling.
Cure in the Sun:
While sunlight can be beneficial for curing paint, direct sunlight can cause paint to dry too quickly, leading to poor adhesion and premature flaking or peeling. If you choose to cure your paint in the sun, opt for early morning or evening when the sun's rays are less intense. Ensure the temperature is within the ideal range of 60° to 85°F, and maintain low to moderate humidity. If you can't avoid direct sunlight, use a covering to create shade.
Use an Oven:
Another option for curing paint is using an oven. This method can accelerate the curing process, but it requires caution. Ensure the painted item is thoroughly cleaned and dried before placing it in the oven. Preheat the oven to the recommended temperature, typically around 250°F, and bake the item for approximately 30 minutes to remove moisture and heat the metal. Remove the item from the oven and allow it to cool slightly before applying the paint. Be cautious when curing paint in an oven, as temperatures above 120°F can cause bubbling and lifting of the paint. Always work in a well-ventilated area to avoid inhaling fumes.
By following the spray bottle instructions, curing in moderate sunlight, or using an oven carefully, you can effectively cure your Harley engine paint and achieve a long-lasting finish. Remember that cleanliness and preparation are key to a high-quality paint job.
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Cost: $200-$600
Painting your Harley engine can cost anywhere from $200 to $600, depending on various factors such as the type of paint used, the complexity of the job, and whether you choose to do it yourself or hire a professional.
Powder coating specific parts of your Harley, such as the tank, rear fender, side cover, and oil tank, can cost around $200, which includes the necessary prep work. This process may not result in showroom quality, but it is a more affordable option.
If you're looking for a basic repaint in a custom color, you can expect to pay between $1,500 and $4,000 for a professional job. The cost will depend on the level of detail, customization, and the number of colors used. More elaborate graphics or designs will likely cost more.
The type of paint you choose will also impact the overall cost. For example, tints, toners, clears, candies, and flake can be very expensive. Painting with candies is particularly labor-intensive due to the wet sanding steps required between coats.
Additionally, you can save money by removing parts yourself before sending them for painting. This can reduce the labor costs associated with the job.
It's worth noting that some Harley owners have shared their experiences of painting their engines themselves, which can be a more affordable option. However, proper preparation, sanding, pre-cleaning, and the use of a primer are essential for a durable finish.
Overall, the cost of painting your Harley engine will depend on the specific approach you take, the materials used, and whether you opt for professional services or choose to do it yourself.
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Alternatives: powder coating, cerakoting, or grill paint
While painting your Harley engine is an option, there are several other alternatives to consider that may offer better durability and a more professional finish.
Powder Coating
Powder coating is a process where a dry powder substance is applied to the engine and then cured, resulting in a durable and attractive finish. Powder coating can provide a glass-like finish that dissipates heat and retains its colour. It is a popular choice for those seeking a high-quality finish, as evidenced by its use by notable clients such as Disney, MGM, and the Smithsonian Institute. Additionally, powder coating allows for customisation, as you can choose from a variety of colours, including candy and metallic options, and hand-buff the applied parts for a brilliant shine. However, it is important to note that powder coating is only suitable for metal parts, and certain preparations, such as stripping poor chrome or removing specific parts, may be required beforehand.
Cerakoting
Cerakoting is another option for coating your Harley engine. While there is limited information available, it appears that cerakoting can provide a sleek and durable finish, as demonstrated by the graphite black Harley Davidson cylinder heads featured on the Cerakote website.
Grill Paint
Grill paint is a traditional option for painting engines and can provide a durable finish. The VHT line, in particular, offers a range of colours, including wrinkle black, which is known for its ease of use and durability. However, it may not be as long-lasting as other coating options.
Each of these alternatives has its own advantages and considerations. Powder coating and cerakoting may offer more professional and durable finishes, but they may also be more expensive and require specialised knowledge or equipment. Grill paint, on the other hand, is a more accessible and affordable option but may not provide the same level of durability or customisation. Ultimately, the best choice depends on your specific needs, budget, and desired outcome.
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Frequently asked questions
Yes, but it is a difficult and risky task. It is recommended that you thoroughly research the process and prepare and clean the engine properly before painting.
You should use a heat-resistant paint, such as VHT, which is designed for very high temperatures. You should also use a heat-resistant primer to ensure the paint adheres properly and does not flake off.
This depends on the paint used and the preparation of the engine before painting. Some users report paint jobs lasting 15 years, while others report flaking after a few years.
You can paint your Harley engine in any colour, but popular choices include black, silver, and grey.
