Yes it looks like a Champion camo pattern on the limbs. I've owned a couple of Champion bows going back almost 20 years ago.
You're in a tough spot finding parts for that.........this guy has some Champion parts.
https://thearcheryguy.ca/parts-bin
Heights Archery in Winnipeg sold lots of Champion bows in the early 2000's. Maybe reaching out to them could be productive.
https://www.heightsoutdoors.com/