Atc Tires Why Does My ATC Honda 3 Wheeler Pull To The Right Side?

Why does my ATC Honda 3 wheeler pull to the right side? - atc tires

I have a 1985 ATC 200 and recently, when I will ride a tricycle on the right. I looked into the forks are straight and I wonder what is the most likely reason for this can be the bearings or tires or tires.