I cleaned a couple of dirt bike cases and it did a good job. After draining the dirty solution out, I filled it with water and put the parts I cleaned in a ziplock bag with cleaning solution in it so I wouldn't use so much. Cleaned them just fine as well. Only draw back is it takes a long time to heat up to 50 degrees which is the temp I use. One way around that is to put hot tap water in to begin with. Which I do now.