Honda CRF 150RB Big Wheel very low hrs

2015 Honda CRF150RB (big wheel) This was my son's bike, we set it up so he could race, but he never did, it's only ever been ridden at our property and once at Strawberry Hill. It has very low hours, we never put an hr meter on it, but it's definitely under 20 hrs. Always cleaned, air filter...