After buying you custom painting manual guide, tools, paint and equipments, the next job is to dismantle the motorcycle. Start dismanting your chopper motorcycle with utmost accuracy. While dismounting the chopper motorcycle, you should be very careful with wires attached to the motorcycle.
Dismantling chopper motorcycle is not very difficult, if you do it according to the custom painting manual guide. Remove only those parts from motorcycle, which you want to re-paint, as most of the people remove each and every part from the motorcycle and find it difficult to assemble it later. You should remember while dismantling your chopper motorcycle, that you have to assemble it. By using the basic tools kit, you can easily dismantle or assemble your chopper motorcycle. You should collect all the big or small parts of your chopper motorcycle very carefully at the time of dismantling your motorcycle.
Sanding is done to remove the old paint from the dismantled parts of chopper motorcycle and to give smooth and silky surface to paint. The process of sanding is done using sand papers. Generally, there are two types of sand paper used in sanding process of motorcycles, first is rough sandpaper and second is fine sandwich. Rough sandpaper is used to remove the old paint from the motorcycle and fine sandpaper is used to give smooth surface for the new paint. If the old paint is remain on the motorcycle then it might cause problem with the new paint. Therefore, sanding is very important before you start painting your chopper motorcycle. Never try to avoid sanding because it is very important for the long lasting shine and grace of new paint.
Sanding Your Chopper Motorcycle
Sanding a motorcycle does not need any specialized knowledge or skill. You must be careful while choosing the correct thickness of the sand paper (rough sandpaper and fine sandpaper). Sand papers with grit form 600 to 1000 can be used, depending upon the roughness of your chopper motorcycle. 600 grit sand papers are used for the rough surface ie to remove the old paint. 1000 grit sand papers are used for fine finishing of the motorcycle.
Although sanding is not a specialized job, but you have to be expert in judging the smoothness of the surface on which you are going to paint. When you are going for motorcycle sanding, you should be well prepared, as the people who perform such jobs are regularly exposed to dust (powder of old paint). Chances of getting dust in the eye and throat are very common. Therefore, your must wear the safety equipments. Swallowing these powders sometimes might leads to lung cancer.
For the final finishing of your chopper motorcycle, it is recommended to use 200 grit sanding paper. Smooth and sparkling surface of the motorcycle is the reward of proper sanding. Use 1200 grit wet and dry sand paper if you want to paint a metallic color on your chopper motorcycle.
Chemical Stripper for Sanding
If you find it difficult to remove the old paint of your motorcycle with a sand paper, then you can also use chemical stripper. Apply the paint stripper very carefully all over the motorcycle with a paint brush.
Chemical stripper can affect your skin badly. Therefore, you must wear safety equipments while applying chemical stripper on your chopper motorcycle.
How to Apply Chemical Stripper
You should cover all the parts of your motorcycle, which you want to paint, with clear plastic sheet (available from any hardware shop), so the vapors will be trapped inside and will work more quickly on the motorcycle. After covering the motorcycle parts with the plastic sheet, than wait for the 2 to 3 hours and remove the plastic sheet.
Now you can start to scrape off the old paint from the motorcycle with a putty knife or a paint scraper. After applying stripping chemical on the motorcycle parts and keeping the water away from these parts. If necessary, use the stripping chemical again. Never use the chemical stripper to remove the old paint from the motorcycle part, as it can affect the body (metal) of your chopper motorcycle. Therefore, sanding by sand paper is the best and simple way to remove old paint from motorcycle.
Wash the Parts before You Start Painting
After the sanding process, wash each and every part. Washing is necessary and important to remove the sanding powder which is left after the sanding process. There are some people who jump from sanding directly on to the base coat and may suffer later, as if you start with base coating without washing it, then after completing the first base coat, you will find small particles on it. Therefore, wash gently all the parts before you start painting.
For washing purpose, you can use any common soap or dishwashing detergents which are commonly available in the market. You can also use a scrub or a hard brush with these soap or detergent. A scrub or a hard brush will also remove the old paint left during the sanding process. You can also use cleaner to wash motorcycle, but never use any strong and chemically reacting cleaner which can damage the body (metal) of your chopper motorcycle by starting the rusting process. These types of chemical cleaners contain a chemical irritant which is known as Ethylene Glycol Monobutyl Ether. Therefore, it is recommended to use common soap or dishwashing detergent to wash your chopper motorcycle before painting.