Late ... to engage ... as in lever is almost right out before bike moves off ? , probly not a bad thing as this would mean the clutch is well bled. If the lever span is to big , if the rider has a small hand then an adjustable lever is probly the best way .
https://store.bevelheaven.com/Brake-Rel ... ivot-bolt/
On this lever you can just see the end of a screw that bears on the cylinder piston , a non adjustable lever may have this screw and this may provide the adjustment you need
If its the opposite , lever has to be pulled right to the bar to stop bike creeping forward you probly need to bleed the clutch better ( and they can be a proper bastard sometimes )