Hi Nick,
The Yamaha Motif 6 has a different keybed than the Yamaha Tyros2.
The Tyros2 key action has a little more resistance and travel depth and offers better control. It is the best synth action keybed ever designed by Yamaha. I love it.
The Motif 6 has a very good keybed and holds it own. You will not be disappointed.
Tapas