I am currently insde my motor (help!!) and want to know how difficult it is to replace my timing chain? can it be removed without spliting cases? I'm doin a top end, and noticed a kink in my timing chain. p.s. NO I am not being lazy, a stray cat got in my shed and pissed all over my manual. I cant even get near it without gaging. feel free to laugh at my expense all my friends have.