Published on 19/04/2019
DT1 Air Filters , Enduro , Motocross Technology , MOTOCROSS MX , Twin Air , Video
Technology: 10 things you need to know about air filters!
Cross machines suck in a large volume of air and because in almost all cases it is contaminated with dust particles, mud and sand, an air filter must be used carefully. Think of the air filter as a lung and treat it that way. Your engine will last much longer if the sucked air is properly filtered. We cannot emphasize it enough: do not treat an air filter carelessly. Replacing this is not difficult at all, but do it the right way.
- Do not wash your filter with petroleum derivatives such as gasoline, white spirit, kerosene, gasoline, thinner and the like. Filters are glued and by using these products the glue comes loose and your filter is destroyed. Didn't you see where the filter came loose? Then your engine will also die. Use the prescribed products to clean your filter. At Twin Air this is “Liquid Dirt Remover”. And use gloves during the entire process.
- Do not wring a filter when washing. Here too, the glue is in danger of coming loose because you are putting force on the glued parts of the filter and that is not the intention. A filter is not made to withstand these forces. Squeezing is allowed, but not wringing. An air filter is feminine, so treat it with gentleness.
- Do not replace your filter between series. This is not necessary and you run the risk of getting sand in the carburetor when replacing it. So don't do that. You replace your filter at a quiet time in your home workshop. And is there extremely much dust during the competition? Then use a filter skin or dust cover. This is a fine mesh net that you make over the filter. If it is full of dust after a dusty series, remove the cover and run the second series without it.
- Do not drive immediately after installing a freshly oiled filter. Your engine will run too rich because the thinner in your filter oil has not yet evaporated. This diluent is sucked in and acts as fuel. Wait a full 24 hours before starting the engine.
- Make sure you always have a few filters in stock. There is nothing as convenient as being able to place an oiled filter directly from the packaging into the filter cabinet.
- Rinse the filter sufficiently with warm water and detergent. After the filter has been washed with the product provided for this purpose, it is best to rinse thoroughly with warm water and some dishwashing liquid from the kitchen. You will see that small oil residues still float to the top and they really need to be removed completely.
- Let your filter dry very well. Applying oil to your filter too quickly is stupid. If there are still wet spots, the oil will not penetrate there. When the damp spot has dried, you are left with a piece of filter that has no oil. The specific oil is very sticky and it is precisely this function that retains dust and dirt.
- Buy a complete cleaning kit. It doesn't cost much and you'll be equipped like a pro. The bucket is equipped with two grids, one for the bottom so that your filter does not float in the dirt on the bottom and a top grid to keep your filter under water during cleaning.
- Don't forget to clean the filter cage, mounting bolt and housing. You do this with a spray can of contact cleaner. WD40 or CRC can also be used. There is no point in replacing your filter after every match and overlooking these important parts. Just before installing the new filter, look at the air inlet with an LED light to see if any dirt has gotten into it.
- Watch the two videos below from Twin-Air to remove any remaining doubts about the working method. Here you will see the only correct way to replace a dirty air filter with a fresh one. The first video shows how to clean, the second is about oiling.
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