Tacho calibrating with a PC

[yamaha_george]

Well the article is not M/C based BUT we do use electronic tacho's so there is a GOOD reason to put this here

http://www.classictiger.com/techtips/motach.html

The real point of interest of the article is the author who has developed a software & PC based calibration system for electronic tacho's
I know a number of you "tinker" and as such a tool like this may be just what you want/ need