The part number is: 14091-0906

http://www.kawasakipartshouse.com/oemparts/a/kaw/500b58cdf8700223e4796c0a/cowling-upper

Long story short, some fluid from the clutch reservoir leaked  onto the plastic and left it a bit gooey in a couple spots. They go for ~$65.00 new, but it's not a critical component and thought I might check here first before buying new...