The New Suzuki Quadracer HQ Welcomes All LT500 Quadzilla, LT250, LTR450, LTZ400, LTZ250, LT80 owners to the Suzuki Quadracer HQ forums
Here is a brief overview...You can make a homemade tester,some here have done it if you ask around.
http://www.suzukiquadracerhq.com/index.php?action=store