I want to know about a part of jetski?

Question

theres a hard rubber cover on the back underneath where the propeller is and its removable. is it ok if i remove it? because when i remove it, after using its very clean. when i keep, it after using its very dirty when you look under the rubber. my question is whats the use of it?

Answer 1

to keep stuff from getting sucked up into the impellar. I wouldn't take it off its a pain to get stuff un-stuck.