New here.... Class 2 Quad racing

Hi All

My son has a class 2 quad and need a Bit of advice needed if poss.....

Not raced up with Preseli before and I know there's a meeting this coming Saturday the 5th of June, Just wondering....

What time does signing on start?
What time does racing start?
What's the cost? Membership and entry etc?

Many Thanks

Alun