I've been using S100 for years on my bikes and truck wheels does a great job, but follow the directions as if you leave it on two long they say it can damage the finish. It's a PH thing. I do need to buy another bottle but was told they can't order me in the gallon size, so i need to look up on line and order one think last gallon was about $60.00. Don't need to be paying for more spay bottles.Can someone let me know what type of products and brand they use to clean their motorcycle? I need to start cleaning it more often than I do and need some help on which is best. Thanks!