Not trying to be pedantic, but there's nothing in Act 34 that excludes class 2 ebikes from trails. Act 34 gives ebikes (classes 1-3) all the access as standard bikes and leaves it up to the land manager to make it clear was isn't allowed. I know some of the local trails have rules about ebikes, but it's not very easy to find that information online.
That all being said, electric dirt bikes are not class 2 ebikes. The dirt bikes that have been seen lately at Quarry Ridge are fully throttle powered and do not have pedals or a 20mph governor.