Using these AS3 Performance silicone radiator hoses on your 1989 - 2001 Honda CR 500 is easy. First, make sure your engine is cool before installing the hoses. Simply replace the old hoses with these new ones, ensuring a tight fit. Remember, these hoses are only for off - road and track use, so don't use them on public roads. For maintenance, regularly check the hoses for any signs of wear, like cracks or leaks. Keep them clean by wiping them down with a soft cloth. If you notice any issues, contact us within the 12 - month warranty period from the date of purchase, and we'll take care of it.