boatsya

i have a sea doo challenger 1800 witt the twin motors 1998 and the interior rotted to crap before i bought it and i want to replace the vinyl and put new foam on certain peices but i can't figure out how to get these peices off its killing me............. help me someone, and no i'm not a dumbass with no common sense i just do not see any bolts or snaps for a few of these peices and i am at the end of my patience. also if anyone knows how to work with and also form foam nicely to look good would u please give me a couple tips

( I got a steal on the boat to, $3500 believe it or not and runs like a champ)