Hi, everytime my yfz gets hot oil come out from the back of it on to the skid plate. I just had it rebuilt and the mechanic said it was fine. And a couple other people said they just "oil" like that. But i think it may be a bad seal or something, can anyone help? It's a 07 bill balance edition and if you know or have any newer plastics for sale dm me or reply to thread. Thanks!