I thought they had the "extra special" one that doesn't log the revs.
http://www.turmax.com/
Upon request of some run teams, we have developed to the rows for the Mercury 200 XS with optimal turns out to you. Only raising the limiter turns, we have tested the motor 200XS on the motor test bench finding 198CV to 6800 turns originates them and 179CV to 7200 turns. Riprogrammando the telephone exchange originate them, without take part on the motor, be resolution to obtain 210CV from 6700 turn until to 7200 turn! The maximum peak of increment (+30CV) we have obtained it to 7200 turns. Craft with the Mercury tester the connection and the Smart diagnosis remain invariati and it does not come marked the turns outside (you contact to us for greater information to +39 02 4403428 or through email)