hello. hope your having a grand day, iv got a 850 mana a few weeks ago, bike had the belt replaced by the last owner and the bike has 24000 miles done on it, i dont think the workshop that replaced the belt .I have downloaded the mana file from the guzzidiag software to do the reset, iv down loaded the belt replacement software but im unsure if i had to run the potentiometer reset after have run the belt replacement procedure.