Build And Ride Frequently Asked Questions

  • How to maintenance your filter with Original Liquid Dirt Remover?


    1. Clean the filter Soak filter in ORIGINAL Liquid Dirt Remover in a tub for 3-5 minutes to cut the filter oil. Work out any trapped dirt or particles. The most important thing is that the inside of the filter is free of any particles whatsoever. TIP: Do not use gas or other harsh chemical cleaners! These break down the glue holding the foam filter together. They also prematurely deteriorate the foam.
    2. Rinse the filter Rinse Filter with warm, soapy water, making sure all dirt particles are removed. Repeat step 2 if necessary. Be sure to rinse the filter with clean water to ensure the soap residue is gone. 
    3. Dry the filter Place filter on paper towel or hang your filter somewhere clean and allow it to dry properly. Oiling the filter without allowing it to dry sufficiently will trap some of the moisture.
    4. Oil the filter Soak filter in ORIGINAL Liquid Power Filter Oil, making sure to saturate the entire filter, coating the filter uniformly. Be sure to apply oil to the inside and outside of the filter. TIP: Don't oil your air filter right before riding. Preoil the filter at least 24 hrs before riding to allow the oil to evenly penetrate the pores and allow the thinning agent to evaporate. A recently oiled filter will cause rich conditions.
    5. Squeeze excess Squeeze excess oil out of the filter so that a light coat of oil remains. Continue to massage the filter until the filter is evenly coated. TIP: Do not ring out the filter when oiling. It is best to massage the oil through the pores with your hands. You can gently fold the filter and squeeze out the excess oil.
    6. Install the filter Install the cage in filter and install filter into airbox. Before installing check carburetor boot for dirt. TIP: Make sure you allow 24 hours for the filter oil to dry properly before you go riding.
    7. Clean air filter cage and bolt Using contact cleaner, spray the filter cage and bolt to remove old oil and dirt.
    8. Clean sealing ring Spray contact cleaner on a rag or towel and wipe the sealing ring of the airbox to remove dirt and oil residue. Look inside the airboot to make sure no dirt fell into the boot when you removed the filter.
    9. Airbox cleaning Install your Twin Air Airbox Cover before you wash your bike or ATV. With the AirBox Cover installed, you can wash out your airbox without getting dirt or water into your airboot.

  • How to maintenance your filter with Bio Liquid Dirt Remover?


    1. Soak the filter Put three liters of tap water, as hot as possible in the special purpose designed cleaning tub. Add 100ml of Bio Dirt Remover to the water (One filter needs 100ml of Bio Dirt Remover)Fully immerse the dirty filter (wear protective or disposable gloves and be careful not to burn your hands), and let it soak for ten to fifteen minutes.
    2. Squeeze the filter Squeeze the filter several times (do not wring!), repeat this procedure until all the dirt has disapeared.
    3. Wash the filter Wash the filter with clean, cold tap water until all the soap residue has been removed. Leave the filter out to dry, under a piece of cloth. Once the filter is dry, it is ready to be pre-oiled again. TIP: Oiling the filter without allowing it to dry sufficiently will trap some of the moisture.
    4. Oil the filter Soak filter in BIO Liquid Power Filter Oil, making sure to saturate the entire filter, coating the filter uniformly. Be sure to apply oil to the inside and outside of the filter. TIP: Don't oil your air filter right before riding. Preoil the filter at least 24 hrs before riding to allow the oil to evenly penetrate the pores and allow the thinning agent to evaporate. A recently oiled filter will cause rich conditions.
    5. Squeeze excess Squeeze excess oil out of the filter so that a light coat of oil remains. Continue to massage until the filter is evenly coated. 
    6. Dry the filter Leave the filter out to dry in a well-ventilated area, preferably outside in the open air under a piece of cloth. After approximately 2 hours, the filter is ready to be used. Store pre-oiled filters in the resealable Twin Air bag (or an airtight plastic bag) and in a dark spot.
    7. Install the filter Install the cage into the filter and install filter into airbox. Before installing check carburetor boot for dirt.

Revolutionary Product


A flame laminated, dual-stage foam air filter that, when soaked in a special oil, allowed free airflow into the carburetor while providing the engine maximum protection from particles of sand, grime and water.


It was not only effective, but durable, washable and reusable. The new inventive product became the beginning of the company Twin Air.

How to Tutorials

BUY NOW