Using this K&N air filter is easy. First, make sure your motorcycle's engine is off. Remove the old air filter from the RK Series air cleaner assembly. Then, simply insert the new K&N filter in its place. It's a direct fit for specific K&N RK Series assemblies on Harley - Davidson bikes. When it comes to maintenance, you can wash the filter when it gets dirty. Use a K&N air filter cleaning kit for best results. After washing, let it dry completely before reinstalling. Don't use harsh chemicals or abrasive materials on the filter as it may damage it. Remember, this filter is covered by the K&N Million - Mile Limited Warranty, so keep your purchase receipt in case you need it.
