WOW !!
That cam is definitely toast ...... What is important now is finding the exact cause (the rocker or whatever) to prevent it from happening again ..... and hoping you get all the shrapnel out of the engine .... be diligent in looking everywhere , any open bearings in the engine , like Crank bearings , etc , basically any bearing without the plastic cover , could have pieces in them , so be sure to check each one for free movement or any signs of damage and if you find any issues whatsoever with them , just be safe and replace them now , so you don't have to go back in at a later date and have to replace things you could have now while it was already apart ....... and yea removing a carb or EFI from a CRF requires at least a lifting of the subframe and twisting and contorting everything to get it off the bike ..... you'll get used to it ....
And no problem on the explanation , though as you will learn ,I tend to get a bit over detailed .....one of my quirks , is I am real anal about what I say , making sure to get what I need to say , completely detailed and self explanatory .....it's just me .. just like now , I had to catch myself , so I did not turn this into a novel as I often do ... with that said , the reason you were not informed is because if they were to inform every new poster that they are being monitored for 5 posts , then they would just have someone/SPAMMERS post 5 somewhat legitimate sounding posts to get thru the door , usually in older topics (years older) , then SPAM away ... So they refrain from mentioning it , in the hopes that whomever is posting , is legit and will continue to post , then suddenly find their posts are immediate , and don't worry about it again , as you just found out by your current post , which I assume was directly after you hit SUBMIT .... ..... So yea , it's a pain at first , but now you will not be restricted (just keep everything "family friendly" and non religious or political and all is well) , anything moto related , or even personal , is accepted , (if you look back thru my posts , you will find I went thru some serious health scares a few years ago *as have a few others on here*) , so we keep everyone here in the loop , because , as I mentioned , this is like family ..... and we care what happens to people here and try to support each other as much as we can ....... ok I'm done